138 Megan McCarthy 10/25/07 04:40PM Filed to: valleywag calendar valleywag calendar Russell Simmons jeremy stoppelman yelp Valleywag One addendum to tonight's activities: Yelp's pretty-boy founders, Jeremy Stoppelman and Russ Simmons, will take an unusually serious turn and speak at the Commonwealth Club tonight at 6 p.m. [Yelp]
