Hi there. i'm really not sure why such an incredible interest in FB and Twitter.
You should understand these social media brings together a number of scam projects.
It's not easy find there good ICOs.
And I tend to think that Reddit, Bitcointalk, Telegram and Youtube are the best for promotion.
I agree with you.
1. Reddit and Bitcointalk for professionalism
2. Telegram because of its popularity and rapid spread
3. Youtobe includes both understanding and art