2010
2009
Tweetvite :: Find
by ycc2106 & 4 othersTweetvite makes it easy to create invitations for events you're hosting or to find local Tweetups in your area.
2008
TwitterLocal - Tweets within 20 miles of Austin, Texas
by springnetTwitterLocal lets you generate an RSS or XML Feed to filter out Tweets around a certain area.
1
(4 marks)