“Social networks today rely on friends of friends or real world connections to drive growth. But a handful of iPhone-only social networks actually help drive new connections in the real world. And the backbone of those applications is location awareness.”

–Mike Arrington, writing at TC about iPhones and such, saying “Our goal is to have iPhone users at our meetups and conferences be able to network with each other, swap contact information, and meet new people”, and “ignore at your peril.”