Use of Twitter for journalists..

http://stevebuttry.wordpress.com/2009/07/09/twitter-tips-for-journalists/

Journalists can use Twitter for a variety of uses: Some things include:

You can monitor the activities and discussions of people in your community or on your beat.
You can connect with people who will provide you helpful tips and information.
You can connect with colleagues and share ideas with them or get ideas from them.
You can “crowdsource” stories by asking your followers for story ideas or information.
You can quickly find people who witnessed or experienced an event.
You can drive traffic to your content.
You can improve your writing as you learn to make points directly in just 140 characters.