Public speaking 1.bahot sari practice 2. Get knowledge about your topic 3.engaged with your audience 4.body language 5.speak clearly and slowly 6 . Deep breathing 7. Visualise Happy's 8. Kisiko pucho mujhme kuch improve krne ki jarurat hai kya 9.consistemcy sikho
Verbal communication 1. Practice active listening 2.confidence speak(eyes) 3.speed tones 4.dusre ko bat samajani chahiye asan bhasha 5.to the point baat kro 6.body language 7. Public speaking 8.note feedback of your practice 9.read and write regularly 10. Respect culture and language
Written communication 1.clear communication (simple word) 2.proper Grammer and spelling 3.respectful tone 4.proper formating 5.use active voice 6.misunderstanding mat hone do muskil shabdo se 7.example se samjane ki koshis kro 8.consisten write and read
Love you love you love you Sir Ap Ki kia Baat ha Ap say Bhot Kuch sekha recently Ap ka channel Dekha 1 Month hua great Sir great Sir from Pakistan 🇵🇰🇵🇰🇵🇰
Communication skill Verbal communication 1 Active listener 2 speak clear and confident 3 speed tones 4 aasan bhasha mein dusron ko samjhana 5 to the point baat karo 6 public speaking 7 body language 8 respect culture 9 note feedback (for improvement) 10 read and write regularly Non verbal communication 1 good posture 2 eye contact 3 facial expressions 4 hand gesture 5 appropriate distance 6 tone 7 dress up 8 proper distance 9 mirroring 10 active listener Written communication 1 clear communication (simple words) 2 proper grammar and spelling 3 respectful tone (oose nahi oonhe) 4 use proper formatting (bullet points) 5 use active voice 6 muskil sabdo se misunderstanding mat hone do 7 example se samjhane ki koshish karo 8 consistent read and write Public speaking 1 bahut sari practice 2 get knowledge about your topic 3 engaged with your audience 4 body language 5 speak clearly and slowly 6 deep breathing 7 visualise happy 8 logo se feedback maango 9 consistency sikho Best books for communication 1 how to deal with people 2 how to win friend and influence people 3 The art of dealing people 4 how to talk anyone 5 The King's grammar 6 how to develop self confidence and influence people by public speaking 7 word Power make easy (english vocabulary) ##Tips 1 record daily video at least 2 minute 2 daily write and read 450 to 500 words
thank you sir a quick summary of this course ## why to improve communication: - better personal relationships - express your feelings - better communication helps in higher growth - improves professtional relationship - increases productivity - became a great leader - became creative - boost confidence - communication is a differciating point. we all process a lot of data but the best the one only who conieve their thoughts clearly ## verbal communication: - practice active listening - speak clearly and confidently - make eye contact - right tone and speak - dont use technical jardons - be to the point - practice public speaking - improve body language - learn different calcural differences - always note your weakness - read and write consistantly ## non verbal communication: - practice correct posture - eye contact - body language - hand gestures - keep a decent physical distance - perfect tone - dressing sense - cultural differences - practice mirror technique / record your own video - active listening ## written communication: - became clear and confident - write in simple language - use proper grammer and spelling - use google translater if want too - always focus on tone - proper formating - use active voice - eleminate all difficult words - explain with a example - check, edit and revise - know your audience - constistanty read and write ## public speaking: - practice, practice and practice - we all nervours before any presentation - mirror practice and video practice - know your topic - keep it in a structure - engage with your audience - body language - speak clearly and slowly - correct use of pauses - connect with the audience - use storytelling - practice deep breathing - use the power of visulisation - take feedback from trustworthy people - learn consistancy ## books help in communication skills: 1. how to deal with people 2. how to win friends and influence people 3. the art of dealing people 4. how to talk to anyone 5. the king’s grammar 6. how to develop self confience and influence people by public speaking 7. word power made easy(english vocab) ## tips record a video daily of 2 min and analyse it write daily few words (400 to 600 words) .
Thanks you so much sir bahut hi informative video tha bahut kuch sikhane ko mila ....yahi course coaching me 50K me karwate hain and 3 month time lete hain .. ❤ love you sur for your efforts and dedication 🙏
Aap bhagwan ho hm jaise dabe hue logon jo kisi ko bta nahi skte aur bta bhi do toh uska solution bhi nahi milta kisi se..aap ne bahut kuch life me sikhaya hai jo keystone hai par koi nahi batata free of cost aur itne easy language me bhi❤🙏🙏🙏
00:03 Course on communication skills is important 02:28 Importance of communication and its impact on success 06:57 Importance of consistent learning and communication skills 09:13 Communication skills are crucial for success in life. 13:47 Effective communication skills enhance all aspects of life. 16:33 Effective communication is key to improving personal relationships 21:32 Effective communication skills are crucial for leadership and team success. 23:30 Improving communication skills leads to increased creativity and confidence. 27:40 Develop strong communication skills for success 29:51 Importance of active listening in communication skills 34:29 Effective communication involves clarity, confidence, and maintaining eye contact. 36:17 Tone and speed are crucial in communication. 40:06 Communication is about expressing your views. 41:55 Importance of Public Speaking in Communication 45:53 Effective communication involves understanding and respecting others 48:02 Consistent reading and writing improve communication skills 52:52 Improving posture is crucial for effective communication 55:21 Posture and eye contact are key for confidence 59:48 Importance of nonverbal communication in conversation 1:01:52 Maintaining appropriate distance is crucial in communication 1:06:26 Proper dress and body language are crucial for effective communication 1:08:35 Observing body language and gestures is a key aspect of communication skills. 1:12:38 Importance of clear and simple communication 1:15:01 Importance of proper grammar and spelling check 1:19:00 Importance of respectful communication tone 1:20:57 Proper communication formatting is essential 1:25:13 Importance of detail explanation in communication 1:27:06 Effective communication involves understanding your audience 1:31:11 Practice extensively for public speaking mastery 1:33:16 Confidence is key in public speaking 1:36:45 Engage people through effective communication 1:38:36 Importance of clear and slow communication 1:42:30 Importance of connecting with people emotionally 1:44:14 Connecting with the audience is crucial for public speaking 1:48:40 Visualization is crucial for positive results 1:50:48 Develop public speaking skills through practice and observation 1:55:20 Recommended books for improving communication skills 1:57:09 Explore communication books on RBC channel 2:00:52 Implement what you learn in communication skills 2:02:54 Promoting free course on communication skills
You have shared a lot of information about communication and it helps people who want to improve their communication skills, thanks for sharing the information.
Sir apka channel readers book club bhut acha lga RUclips pr itna acha channel kahi nhi mila mujhe last 1-2 years se follow kr rhi hu me use.. Bhut kuch sikhne ko mila hai pr sir ek request h apse jese hindi me wha audio summary dalte ho Wese English me b dalo plzz hm English improve krna chahte h 🙏🙏
@amitkumarlive sir hats off you have made us for chance to improve our problem and I'm gain lots of benefits with your videos pls keep motivate your Students my first experience is very amazing with you thankyou so much sir
Amiett sir mujhe or meri wife dipali hum dono aapse Milana chahate hai ..hum dono sath mein bahut khush hai ek acchi life ji rahe hai thank you sir..thank you God.
Thank you very much Sir, written communication topic will help me in my upcoming departmental exam which is descriptive held at Pune on 16 and 17 th May 2023.
I have heard you for the Ist time, but I have became your fan👏👏👏 Thank you very much Amit Sir, for such an Amazzing session. I have taken down each & every Notes. I will definitely use it for the benefit of others. I am an Professional Trainer, but you have beautifully put it in a very organized way. Lot to learn from you, Sirjee🙏🙏
00:00 Introduction of Course 07:50 Part 1. Why Communications is Important? 26:20 Part 2. Verbal Communication 50:00 Part 3. Non-Verbal Communication 1:10:45 Part 4. Written Communication 1:29:30 Part 5. Public Speaking 1:53:00 5 Best Books for Communication
Sir apne bahut he ache se or baariki se har Ek chiz ko bataya apka tehe dil se Shukriya ❤ video was so helpful and powerful thank you so much for sharing your thoughts and knowledge with us grateful to you 🙏🏼
Very well planned and productive for all interested in learning importance of communication to further enhance their career in any field they are working. Need to listen this topic again and again. I thank u for your initiative and approach.
Everyone want to become rich But without financial intelligence It is not worth So , sir I request you to make a complete course on financial intelligence or freedom❤ You are doing best work
I have been visited your all audio book content and I have wish to see you. Finally dream comes true. Your voice and audio book content always help me to cope up with my problems and bring me some solutions. Thank you souch dear. After having this communication Vedio program will help me to grow in my future business in UK.
Appreciated what you teach us but I don't know sir 85 to 90% quality is already in me what you said only the problem is where, confidence i don't have confidence and English speaking knowledge so if you make any video on English speaking so it's will be my, fortune thank you.
![I.N "HALLUCINATION" | [Stray Kids : SKZ-PLAYER]](http://i.ytimg.com/vi/n5B5q1Hwt_U/mqdefault.jpg)
Read all our summaries (English): readersbooksclub.com/
Read all our summaries (Hindi): hindi.readersbooksclub.com/
Complete Public Speaking Course: ruclips.net/user/liveBWvO9qa9PxE
😊😊
Yes sir
😊😊😊😊
@@hrishikeshmahajan00😊
@@hrishikeshmahajan00p
Non verbal communication
1.posture
2.eye contact
3.facial.expression
4.hand justure
5.apropriate distance
6.tone
7.dreess up
8.distance
9.mirror
10.active listening
Dhanyavaad bro
Love from Bangladesh brother 🇧🇩❤️
😅😊😢😊😅😅😅😊😅😊😅😊
😊😅😊😅😊😊😊😅
Thank you bhai❤
Public speaking
1.bahot sari practice
2. Get knowledge about your topic
3.engaged with your audience
4.body language
5.speak clearly and slowly
6 . Deep breathing
7. Visualise Happy's
8. Kisiko pucho mujhme kuch improve krne ki jarurat hai kya
9.consistemcy sikho
Where we get practice ?
Verbal communication
1. Practice active listening
2.confidence speak(eyes)
3.speed tones
4.dusre ko bat samajani chahiye asan bhasha
5.to the point baat kro
6.body language
7. Public speaking
8.note feedback of your practice
9.read and write regularly
10. Respect culture and language
Thanks bro
Thank you so much and love from Bangladesh brother 🇧🇩❤️
@@eliastech6223l
P
Lll😊
Thank you
Thank you bhai
Written communication
1.clear communication (simple word)
2.proper Grammer and spelling
3.respectful tone
4.proper formating
5.use active voice
6.misunderstanding mat hone do muskil shabdo se
7.example se samjane ki koshis kro
8.consisten write and read
Thanku sir
0000
Thanks 😊
grammar ***
Thank you bhai ❤
I have completed this course today and I can say that it is a very influential course for those whose want to deal publicly... Thankyou you Amit sir
Wht abt after 2 mnths?
@@An_A-theistBri 😅 its not a theory exam its a practicle thing so it would be e improve day by day according to your public interaction
India need to add this knowledge to their school curriculum. Thank u so much sir for your all efforts.
You have nice thinking. I liked it😎
@@studyaweapon 🙏
The Indian education system must change for better education
Absolutely
Love you love you love you Sir Ap Ki kia Baat ha Ap say Bhot Kuch sekha recently Ap ka channel Dekha 1 Month hua great Sir great Sir from Pakistan 🇵🇰🇵🇰🇵🇰
Communication skill
Verbal communication
1 Active listener
2 speak clear and confident
3 speed tones
4 aasan bhasha mein dusron ko samjhana
5 to the point baat karo
6 public speaking
7 body language
8 respect culture
9 note feedback (for improvement)
10 read and write regularly
Non verbal communication
1 good posture
2 eye contact
3 facial expressions
4 hand gesture
5 appropriate distance
6 tone
7 dress up
8 proper distance
9 mirroring
10 active listener
Written communication
1 clear communication (simple words)
2 proper grammar and spelling
3 respectful tone (oose nahi oonhe)
4 use proper formatting (bullet points)
5 use active voice
6 muskil sabdo se misunderstanding mat hone do
7 example se samjhane ki koshish karo
8 consistent read and write
Public speaking
1 bahut sari practice
2 get knowledge about your topic
3 engaged with your audience
4 body language
5 speak clearly and slowly
6 deep breathing
7 visualise happy
8 logo se feedback maango
9 consistency sikho
Best books for communication
1 how to deal with people
2 how to win friend and influence people
3 The art of dealing people
4 how to talk anyone
5 The King's grammar
6 how to develop self confidence and influence people by public speaking
7 word Power make easy (english vocabulary)
##Tips
1 record daily video at least 2 minute
2 daily write and read 450 to 500 words
thank you sir
a quick summary of this course
## why to improve communication:
- better personal relationships
- express your feelings
- better communication helps in higher growth
- improves professtional relationship
- increases productivity
- became a great leader
- became creative
- boost confidence
- communication is a differciating point. we all process a lot of data but the best the one only who conieve their thoughts clearly
## verbal communication:
- practice active listening
- speak clearly and confidently
- make eye contact
- right tone and speak
- dont use technical jardons
- be to the point
- practice public speaking
- improve body language
- learn different calcural differences
- always note your weakness
- read and write consistantly
## non verbal communication:
- practice correct posture
- eye contact
- body language
- hand gestures
- keep a decent physical distance
- perfect tone
- dressing sense
- cultural differences
- practice mirror technique / record your own video
- active listening
## written communication:
- became clear and confident
- write in simple language
- use proper grammer and spelling
- use google translater if want too
- always focus on tone
- proper formating
- use active voice
- eleminate all difficult words
- explain with a example
- check, edit and revise
- know your audience
- constistanty read and write
## public speaking:
- practice, practice and practice
- we all nervours before any presentation
- mirror practice and video practice
- know your topic
- keep it in a structure
- engage with your audience
- body language
- speak clearly and slowly
- correct use of pauses
- connect with the audience
- use storytelling
- practice deep breathing
- use the power of visulisation
- take feedback from trustworthy people
- learn consistancy
## books help in communication skills:
1. how to deal with people
2. how to win friends and influence people
3. the art of dealing people
4. how to talk to anyone
5. the king’s grammar
6. how to develop self confience and influence people by public speaking
7. word power made easy(english vocab)
## tips
record a video daily of 2 min and analyse it
write daily few words (400 to 600 words)
.
Thankyou Shubham gupta
Thank you Gupta ji for summary❤️ and thank you so much sir for your video for free🫶🏻❤️
Thanks Bro
Thanks you so much sir bahut hi informative video tha bahut kuch sikhane ko mila ....yahi course coaching me 50K me karwate hain and 3 month time lete hain .. ❤ love you sur for your efforts and dedication 🙏
बहुत ही अच्छी वीडियो बनाई है आपने कम्युनिकेशन के सारे टॉपिक्स को बेहतर तरीके से,आसान तरीके से समझाया है। दिल से ढेर सारा धन्यवाद,धन्यवाद ।
Aap bhagwan ho hm jaise dabe hue logon jo kisi ko bta nahi skte aur bta bhi do toh uska solution bhi nahi milta kisi se..aap ne bahut kuch life me sikhaya hai jo keystone hai par koi nahi batata free of cost aur itne easy language me bhi❤🙏🙏🙏
Thank you sir 🙏🏻 khup jast mehnat aahe tumchi 👏👏👏
(Aamchya vidharbhat mhantat sir kiti jiv todun sangtat)
Detail knowledge about communication 🙏🏻🙏🏻
Tumcha comment vachun majha hi vishwas basla. 😊
Thank you dada aap ki wajha se hum yehse course free mai kar pa rahehe warna yesa course paise de kar nahi kar sakte
00:03 Course on communication skills is important
02:28 Importance of communication and its impact on success
06:57 Importance of consistent learning and communication skills
09:13 Communication skills are crucial for success in life.
13:47 Effective communication skills enhance all aspects of life.
16:33 Effective communication is key to improving personal relationships
21:32 Effective communication skills are crucial for leadership and team success.
23:30 Improving communication skills leads to increased creativity and confidence.
27:40 Develop strong communication skills for success
29:51 Importance of active listening in communication skills
34:29 Effective communication involves clarity, confidence, and maintaining eye contact.
36:17 Tone and speed are crucial in communication.
40:06 Communication is about expressing your views.
41:55 Importance of Public Speaking in Communication
45:53 Effective communication involves understanding and respecting others
48:02 Consistent reading and writing improve communication skills
52:52 Improving posture is crucial for effective communication
55:21 Posture and eye contact are key for confidence
59:48 Importance of nonverbal communication in conversation
1:01:52 Maintaining appropriate distance is crucial in communication
1:06:26 Proper dress and body language are crucial for effective communication
1:08:35 Observing body language and gestures is a key aspect of communication skills.
1:12:38 Importance of clear and simple communication
1:15:01 Importance of proper grammar and spelling check
1:19:00 Importance of respectful communication tone
1:20:57 Proper communication formatting is essential
1:25:13 Importance of detail explanation in communication
1:27:06 Effective communication involves understanding your audience
1:31:11 Practice extensively for public speaking mastery
1:33:16 Confidence is key in public speaking
1:36:45 Engage people through effective communication
1:38:36 Importance of clear and slow communication
1:42:30 Importance of connecting with people emotionally
1:44:14 Connecting with the audience is crucial for public speaking
1:48:40 Visualization is crucial for positive results
1:50:48 Develop public speaking skills through practice and observation
1:55:20 Recommended books for improving communication skills
1:57:09 Explore communication books on RBC channel
2:00:52 Implement what you learn in communication skills
2:02:54 Promoting free course on communication skills
Thank you sir for giving good knowledge about communication. I learnt many informative knowledge for this video.
Aap bolte bahut achhe hai batane ka tarika bahut achha hai
Our society needs people like you
You have shared a lot of information about communication and it helps people who want to improve their communication skills, thanks for sharing the information.
I ma committed for my success and 😊 I'll attend definitely this 10 days challenge💯
Amazing explaination about communication 26:38
Sir apka channel readers book club bhut acha lga RUclips pr itna acha channel kahi nhi mila mujhe last 1-2 years se follow kr rhi hu me use.. Bhut kuch sikhne ko mila hai pr sir ek request h apse jese hindi me wha audio summary dalte ho Wese English me b dalo plzz hm English improve krna chahte h 🙏🙏
Thanq so much sir 🙏🙏 aap se knowledge le kr life me mai bhi kuch kr paunga 🙏
Bhaiya ap bahut lovely ho bas aphi ki video se mujhe bahut kuch sikhne ko mila hai
Finally intizar khatam thank you so much sir 😊
Very wonderful communication courses sir, I definitely implement in my life. Thank you so much Amiett Sir 🙏🏻
Amazing and mind-blowing session love you sir❤❤❤
@amitkumarlive sir hats off you have made us for chance to improve our problem and I'm gain lots of benefits with your videos pls keep motivate your Students my first experience is very amazing with you thankyou so much sir
So nice of you
Thank you so much for this course 🙂 I really need this course
Sir you are so great person. 😊
Sir you are a pure soul.
One of the best video on communication skills 😍...plz make a course on social maturity...
Bahut bahut Thank you
Amit ji
I Thank you very much for giving this Ocean of information presented by you in the beautiful way.
आपका बहुत बहुत दिल से धन्यवाद Amit Sir
Sir, I am really very grateful to you your telling such a nice communication skills tips.
Respect botton for amit kumar❤
This is priceless course ❤
One of the best skills is communication ❤ thank you sir your sharing 🙏 double good 💯 sir 🙏
Amiett sir mujhe or meri wife dipali hum dono aapse Milana chahate hai ..hum dono sath mein bahut khush hai ek acchi life ji rahe hai thank you sir..thank you God.
I can feel.. how much time you might spent to make this happen. Salute for this session.
Very good session❤❤
All communication channels covered very well ❤
Thank you Amit😊
Sir ajj phele bar 2 hour ka lecture without any break ke attend kaya .. thank you sir
Thank you so much, completed your session❤
Bahut din baad sir ko dekhe😊😊😊
Thank you so much sir ❤❤
Thank you very much Sir, written communication topic will help me in my upcoming departmental exam
which is descriptive held at Pune on 16 and 17 th May 2023.
Thanks a lot Amit Sir to make this video ❤❤❤
Thank you so much for the workshop ❤
Thanks Amit Sir
बहुत बहुत धन्यवाद
I have heard you for the Ist time, but I have became your fan👏👏👏
Thank you very much Amit Sir, for such an Amazzing session. I have taken down each & every Notes.
I will definitely use it for the benefit of others.
I am an Professional Trainer, but you have beautifully put it in a very organized way. Lot to learn from you, Sirjee🙏🙏
Don't worry I am Technical Engineering Trainer
Sir . .Aapki looks bahut acchi hai 🌸
Detailed video on Communication skills, So Nice, Thank you sir
Listened on 14 Dec 2024, thanks Amiett ji🙏
做自己就好，爱情的真谛在于相互的吸引、志趣相投的同行，而不是追逐和依附以及自我感动
00:00 Introduction of Course
07:50 Part 1. Why Communications is Important?
26:20 Part 2. Verbal Communication
50:00 Part 3. Non-Verbal Communication
1:10:45 Part 4. Written Communication
1:29:30 Part 5. Public Speaking
1:53:00 5 Best Books for Communication
Koi kuch bhi kahe mene aapke 2 gante waste nahee hone de bahut kuch seekha thanks from the depth of my heart❤❤🎉😅
Thanks sir..❤❤❤ bhuuuut bhut dhanyawad
Thankyou Amit ji for giving me video
Amazing session sir❤Thank you so much sir. Gratitude❤
Sir apne bahut he ache se or baariki se har Ek chiz ko bataya apka tehe dil se Shukriya ❤ video was so helpful and powerful thank you so much for sharing your thoughts and knowledge with us grateful to you 🙏🏼
I am very grateful for this course. Thank you amit sir❤
Ha g
🥰🥰🥰🥰🥰🥰🥰🥰🥰🥰🥰🥰🥰🥰
Thank you so much for this free course
Love you 🌹 dear Sir, May all your wishes come true ✨️
Thank you ❤
Thank you ❤
Thank you ❤
Thank you ❤
Thank you ❤
Thank you ❤
Thank you ❤
Thank you ❤
😊😊😊😊😊😊😊😊😊😊😊😊
ha g
🥰🥰🥰🥰🥰🥰🥰🥰🥰🥰🥰
😂
Next course on Leadership Skills please ♥️♥️
Thanku so much Amit Bhaiya ❤
Very well planned and productive for all interested in learning importance of communication to further enhance their career in any field they are working. Need to listen this topic again and again. I thank u for your initiative and approach.
Thank you for giving million rupees knowledge
Thank you sir it''s valuable course for us seriously "mzaa aagyaa" 😊
Thank you sir very helpful video...
Impact on communication skill
Everyone want to become rich
But without financial intelligence
It is not worth
So , sir I request you to make a complete course on financial intelligence or freedom❤
You are doing best work
Read the book rich dad poor dad
Great explanation dear sir,,,,
Aap readers book club kese founder ho,thankyou sir,
You're book summary is very useful.
It's great session... Thank you Sir
Thank you amit for always share your knowledge and your hardwork with us 🙏🙌
Thank you so much sir for this world class communication course 🙏🙏🙏
Thankyou Thankyou Thankyou so much wolf toh complete my desire thankyou so much 🙏🏿🙏🏿
I have been visited your all audio book content and I have wish to see you. Finally dream comes true. Your voice and audio book content always help me to cope up with my problems and bring me some solutions.
Thank you souch dear.
After having this communication Vedio program will help me to grow in my future business in UK.
Public speaking
6. Take pose right time and right limit....
Amazing and awesome session sir 😊🤍🙏
Thank you for giving awesome knowledge 😊🤍
Amazing content bhaiya and free of cost as well
Everyone like this video for hard work and for free . Thank you sir for your kindness❤
🙏🙏 धन्यवाद भईया🙏🙏🥰
My inspiration souce is netaji subhash chandra bose and I want to be speaker like him
I will defnatelly improve ❤ sir
Bhot bdiya course rha thanks sir
Appreciated what you teach us but I don't know sir 85 to 90% quality is already in me what you said only the problem is where, confidence i don't have confidence and English speaking knowledge so if you make any video on English speaking so it's will be my, fortune thank you.
Excited to learn ❤
Thank u sir for this …. It’s so useful ❤❤ lot’s of love
Thank you Thank you Thank you
Following your videos podcast i also started my utube channel
Thank you sir for this amazing session😊😊😊
Thank you so much sir ji for this valuable session thanks alot
Your communication skills are amazing 🙏
Thanku so much sir ❤
Giving your gyan ❤😊
I want to be like alakh pandey sir
Sir ji thanku for this session thank you ❤
@Amiett sir please make a detailed video or vlog on your book collection.I want to read and improve my life knowledge like you
Waaa Bhai aise hi Full courses Lavo free me
Its very helpful for introverts
Thanks a lot for such a useful video