TagMaps are a new way to visualize text on geographic maps. TagMaps can be used to communicate key characteristics of location-based data in an easy-to-understand way.
Built almost entirely in Flash and Flex, which allows us to go beyond what is normally possible in a traditional Facebook app, the new Music Blogs application on Facebook lets you surf popular mp3 blogs to discover new music you like.
With its new advertising infrastructure, Facebook is being careful to protect privacy of information. But they are bucking — and perhaps helping to transform — the norms of privacy. At its most basic, Facebook is getting the defaults wrong.