"The City as Social Archipelago is a visualisation & analysis of activity across three cities on the Foursquare social network." Taken from scraped foursquare data. Not particularly inspiring or useful visualisations but the process is interesting.
A tool for mapping your foursquare locations on google maps, interestingly – you can also see other people's accounts mapped out, if you follow the link on the left.
New location-based social search tool FourWhere shows Foursquare tips and comments using Google Maps so you can search and discover what everyone is saying about nearby places. [via Mashable]
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