I recently made two mainstream videos which are a good introduction to CP, I think.
How to start with Competitive Programming? https://youtu.be/xAeiXy8-9Y8
About Programming Competitions (Codeforces, Code Jam, ...) https://youtu.be/cpguolx2oms
UPD
What is Competitive Programming? https://youtu.be/ueNT-w7Oluw (by tmwilliamlin168)
HoW tO BEcOmE rEd cOdeR? https://youtu.be/y7169jEvb-Y
UPD2
Steps and Mistakes https://youtu.be/bVKHRtafgPc (by tmwilliamlin168 again)
Nice videos! They will be a success in the long term.
Great Content Keep it up!
Great video Errichto, You inspired me a lot! Thanks man!
Nice video . thanks Errichto ..