StraightUpSocial News Links for 8/26/2009

Who’s Driving Twitter’s Popularity? Not Teens

Claire Cain Miller at The New York Times examines how Twitter has become popular without having a strong base of teenage users.

Facebook Begins Testing Mobile Payments for Virtual Currency with Zong

Justin Smith at Inside Facebook tells us how Facebook is testing Zong, a mobile payment provider, to allow users of the social network to purchase credits and virtual goods using their mobile credentials.

First Twitter, Now The Web Starts To Embrace Bit.ly: Google, TypePad, CBS and yfrog

MG Siegler at TechCrunch takes a closer look at new partnerships between URL shortening service Bit.ly and other online services, including Google Reader.