The Twitter Instant Speed Meter. TweeSpeed is a web service giving you the number of tweets sent in the last minute. TweeSpeed is based on the public timeline, grab information for the 5 last minutes and calculate an average speed for one minute.
|Twitter, GoogleVisualization, GoogleAppEngine|
On Twenue users don’t tweet at a venue - they tweet TO a venue. Twenue is a platform that uses APIs from Google maps and Twitter to let users discover places and share them with their social networking contacts.
|Twitter, GoogleMaps, Foursquare|
Utwitbook is a place to find twitter-ers who share your interests, location, url and even design colors, also provide another profile for twitter-ers with friends(following) auto categorized
|Twitter, GoogleMaps, Bing|