ffffl*ckr (tags: design cool art blog inspiration tools photography images ux flickr search interface illustration photo photos tool services javascript discovery favorites recommendations api favourites)

6 Tips for Getting the Most out of Foursquare (tags: foursquare socialmedia socialnetworking twitter howto tips Mobile bestpractices geotagging mashable) Foursquare vs. Gowalla: Location-Based Throwdown (tags: Mobile toread foursquare gowalla location services games game)