I’ve been using Foursquare for quite a while now. I’ve converted other people to the service and espoused it’s value to clients and co-workers. I’ve come up with laundry lists of ways my clients could activate campaigns using the service (in the spirit of honesty, none of them have ever actually done it, although one client may have stolen my idea and given it to another agency to activate on their behalf).
I’ve also played with Loopt, MyTown, Gowalla, Google Latitude, BrightKite and a few others. And I think that regardless of what the media is saying, they’re probably all a waste of time.
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