Twitter is a social networking and micro-blogging service that allows you to answer the question, “What are you doing?” by sending short text messages 140 characters in length, called “tweets,” to your friends, or “followers.” http://tweeternet.com/
You can favorite a tweet that you like in order to save it for later. Once you favorite it, a yellow star will appear both in the upper left-hand corner of the tweet, as well as at the bottom. You can always unfavoritea tweet as well.
The organizers of the most recent WiserJakarta event made use of Twitter both to effectively advertise prior to the event, and to disseminate information, pictures, and blog entries after the event had taken place.