Do people want to do social networking with complete stangers?

A company called Screenvision (who provides pre-movie advertising to theaters) is planning to offer SMS based polling. The idea is that the audience can participate in polls while they are waiting for a movie to start. They text their answers to a phone number that is shown on the screen. The results of the polls are shown to the whole audience before the movie starts.

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This got me wondering about mobile social networking. Is participating in a poll using your cell phone but in a public place a form of social networking. Well most polls are anonymous, so I don't think they qualify as social networking.

But let's work with this concept for a minute. What if users could tag their votes either with their real identities, or with pseudo identities (like some people have on MySpace and Yahoo Answers)? That, in effect, would be using your mobile phone to participate in a group activity and pseudo identities would allow people to do things commonly associated with social networking. Like connecting as friends, sending private messages etc. AND! Since you would all be located in one place you can actually meet in real life if you so chose. Could be cool. :-) Will have to think about this on some more.