Jason Calacanis' Mahalo is getting a facelift: Starting tonight, the site will look different, work different, and operate under a different business model. Mahalo 2.0, as Jason is calling it, will ...

Mahalo.com, founded in 2007 by Jason Calcanis, bills itself as a “knowledge sharing service.” The site features questions asked and answered with users receiving “Mahalo Dollars” (which can be ...

Editor’s Note: This story has been changed from the print version to clarify that Mahalo.com has an audience of about 12 million visitors per month, not that its videos get about 12 million cumulative ...