Foursquare is the most popular location service app on the planet. I have been using it for a couple years now and very active. I use it for a variety of reasons, one being letting my friends and clients know of cool and interesting places to visit.
Keep ‘em comin’, as they say. You are up to 50 venues! OH yeah! You are a Superstar, at least in my book, well, maybe your mom’s too.
The unlock text reads:
You’ve checked into 50 different venues!