March 1 2006 Facebook launces status update
July 10 Jaiku micro-blogging
July 13 2006 Twitter The first major micro-blogging service launches
Twitterers use mobile phones, instant-messaging software, or Twitter’s own website to send and receive 140-character messages, called twitters or tweets. Tweets–which mostly answer Twitter’s prompt “What are you doing?”–are routed to individual friends, to networks of friends, or to everyone who registers with Twitter.
twitteriffic
Twitteriffic Offers an application built for Mac to view and send messages
March 18 2007 Twittervision , messages pop up on a map of the world
Twitteroo Update your Twitter status from your Desktop
Twitterfox Firefox plugin allowing people to receive and send messages.
TwitDir is a Twitter Directory. Search for Twitter users! Find your friends on Twitter!
October 30, 2007 Pownce Users send messages, files, links, and events to friends. Basic and pro accounts.
July 12 2007 MySpace An international site that offers email, a forum, communities, videos and weblog space.
July 17 2007 Twitter for iPhone
October 1 FriendFeed Allows you to build a customised feed of made up of content your friends on other collaborative sites have shared, including news articles, photos
Seesmic is a video micro blogging web application
October 9 Google purchases Jaiku, status update/personalized aggregator
Nov 12 2007 Twhirl a social software desktop client based on the Adobe AIR popular Twitter client