Part of Foursquare's appeal is the mystery, the sense of flying blind when you're trying to earn a badge or mayorship. No one really knows how many times you must check into a location to become mayor. http://feeds.feedburner.com/~ff/rss/...?d=yIl2AUoC8zA http://feeds.feedburner.com/~ff/rss/...?d=7Q72WNTAKBA http://feeds.feedburner.com/~ff/rss/...AA:V_sGLiPBpWU http://feeds.feedburner.com/~ff/rss/...?d=qj6IDK7rITs http://feeds.feedburner.com/~ff/rss/...AA:gIN9vFwOqvQ
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