Third Screen: Obopay Buys "Social Money" Startup

"Last summer I wrote an article about how 'social money,' or small person-to-person transactions, would lead the move towards mobile payments. Back then, a slew of startups had just launched, each offering their own slightly different version of text-messaging, WAP or downloadable app-based m-commerce offering. Later in the article, I also wrote about how near field communication (NFC), which lets phones beam money back and forth, would be the real killer app in the market, expected to reach $55 billion in worldwide transactions by 2008. "