play a rousing game of Scrabulous before Facebook?” You can find a lot of tips and tricks on: http://www.facebook.com/FBWizard Foursquare: www.foursquare.com Foursquare is a location-based social networking website, software for mobile devices. This service is available to users with GPS-enabled mobile devices, such as iPhones, Android mobile phones and Blackberries. Users “check-in”