There's a reason why no mobile social-networking company has broken out yet. They haven't found themselves--on a map, that is.
Mobile networking, at least in the U.S., remains a limited extension of the social-media industry's biggest PC-based players: lighter, messaging-focused versions of Facebook and MySpace.com, as well as instant-messaging software like Yahoo Messenger and AIM. Social-networking start-ups with a major or exclusive focus on mobile use, like Twitter, have failed to amass a following outside the alpha-geek crowd. For mobile social networking to really take off, it's going to have to move beyond providing … Read more