After five years in gestation and much anticipation, online video advertising is reaching a “tipping point,” of becoming a major part of the media mix, writes Temor Media CEO Jason Glickman in a guest column on Fortune’s Brainstorm blog.

Tremor is among the fastest growing online video ad networks.

I interviewed Jason in May at the Wall Street Journal’s All Things D conference in Carlsbad.  Republishing the interview today.

Andy Plesser, Managing Editor