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Seems like a good way to communicate emergency stuff. Maybe not good. Maybe just available.

As long as you have Twitter and Facebook hooked up to your Foursquare account... None of my close friends use Foursquare, a couple of them have Twitters, and all of them have Facebook. Communicating location solely through Foursquare would fall under "Maybe not good" for me.

Same for me -- no close friends use it. Not much of a point: Increasingly, I see people using Facebook places, which has similar functionality, as well as geotagged tweets.

I seldom used my Foursquare account until I started getting into Instagram, which has a really good interface for easily sharing geotagged photos on Foursquare, Tumblr, email, Twitter, and Facebook.

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