Watch more How to Use Social Media videos: http://www.howcast.com/videos/353417-How-to-Block-People-on-Facebook With Twitter you have the potential to reach millions of users instantly. Use...
How to Use Twitter
Twitter - The Musical
You're Doing Twitter Wrong
John Oliver - Corporations on Twitter
Santi Cazorla - Arsenal Twitter Takeover
Dave Chappelle Befriends Imposters on Facebook and Twitter
Top 5 Ways to Get More Followers on Twitter