TechCrunch: Michael Arrington

NetBanker: Jim Bruene

Harvard Business Online: Steven DeMaio

Harvard Business Online: Steven DeMaio

In Toronto, Richard Blackwell meets Ron Dembo, whose Zerofootprint has shot to prominence as the offset broker for Air Canada. He is passionate about planting trees – even if others consider it a waste of time.

The Globe and Mail: Richard Blackwell

Tech Vibes: Greg

Financial Post: Jim Sutherland

Lee Rickwood: PCWorld.ca