Chamath Palihapitiya speaks about Bitcoin earlier this year.
He is the Founder and current Managing Partner of The Social+Capital Partnership, a multi-hundred million dollar venture capital fund, which he pioneered earlier this year. Palihapitiya also held senior management positions at AOL (Vice President and GM of AIM and ICQ), Mayfield Fund (a venture capital firm in Silicon Valley), Winamp and Spinner.com (two internet music pioneers) prior to joining Facebook.
http://www.youtube.com/watch?feature=player_embedded&v=GZDfpXm8hOQ