Mobile Social Networking: Mostly about Hooking Up?

The Wall Street Journal has a curious article on mobile social networking with GPS. There's a focus on Loopt and Brightkite.

Like with most other social networks, communities form around certain services. Where Loopt seemed to be full of gay men, Brightkite seemed chock-a-block with savvy Web 2.0 marketers, pitching their brands, something personal users have grown wary of. I followed three couples on their meetup escapades, and here’s what happened:

The mildly mocking video associated with the article argues that location-aware social networking is mostly about dating. There are two forms of "mobile social networking": accessing social networks (e.g., Facebook) on a mobile device and finding out who's nearby right now (e.g., Loopt, Brightkite, Latitude).

In LMS/Opus consumer data just pulled (and not yet published) we found that just over 15% of social network user-respondents were accessing their network(s) from mobile devices. That's more than double the number we found at roughly the same time last year (6%).