campaign : youtube
bitcointalk username : zorrito
profile link : https://www.youtube.com/user/selfvitalik
=== Week 4 (5/31-6/6)===
LINKS:
1. https://youtu.be/7vi4Ts2hPUk
2. https://youtu.be/jOxhHL6T6ws
3. https://youtu.be/qO86AQIZFyQ