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You can checkin at Foursquare using this tool.
With the Clima.Me you can check out the level of tweeting coming from this area, and any place in the world. You can check out how active a place is before you check in.
There is a great deal of information out there about where to go to have fun, but Clima.me is unique in giving you a real time view of how "happening" any location in the world is. You can check it out before you check in, saving time and making sure you never miss the big night at your favorite place again.