All Web 2.0

ShareThis

ShareThis provides a widget for easily sharing content found online with others through social networks, social news sites, and other online services. Users can also email content to friends with the widget. The first version of the widget was launched in November 2007. The latest was launched in March 2008 and features tracking and usage reports for web publishers. From sharethis website ShareThis believes that sharing should be for everyone. It is becoming increasingly difficult to...

Facebook

Facebook is a popular, free-access social networking website that is operated and privately owned by Facebook, Inc. Users can join networks organized by city, workplace, school, and region to connect and interact with other people. People can also add friends and send them messages, and update their personal profile to notify friends about themselves. The website's name refers to the paper facebooks depicting members of a campus community that some US colleges and preparatory schools give to inc...

Twitter

Twitter is a free social networking and micro-blogging service that allows its users to send and read other users' updates (otherwise known as tweets), which are text-based posts of up to 140 characters in length. Updates are displayed on the user's profile page and delivered to other users who have signed up to receive them. The sender can restrict delivery to those in his circle of friends (delivery to everyone being the default). Users can receive updates via the Twitter website, SMS, RSS, or...