Derek Markham

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I'm a freelance writer, a human rights and environmental activist, and a social justice advocate. I'm also a social media butterfly and an information addict. Oh yeah, and I like bicycles. A lot.

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rockstars

August 25, 2009

Mack Collier: What Rockstars Can Teach You about Kicking Ass with Social Media

What Rockstars Can Teach You About Kicking Ass With Social Media

View more presentations from Mack Collier.

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Mack Collier: What Rockstars Can Teach You about Kicking Ass with Social Media