The Geocheckin Suite for Joomla or K2 Articles is a component and a set of plugins, modules to let administrator and users easily set locations to their articles, and render these locations. Not only it provides each article with one or more maps but it also allows visitors to validate Geo Checkins to the set locations. It works in a very similar way as Foursquare.com. Users earn points and badges for their checkins, become mayors etc...
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