How do you define a citizen journalist?

As already noted, the news of Osama Bin Laden's death, which has filled newspapers pages and monopolized every news stream, first spread onTwitter. Not only the first credible feedback came from a tweet by Keith Urbahn, chief of staff for former defence secretary Donald Rumsfeld, but also the first feedback of any kind came from an IT consultant who lives close to Abbottabad, where the raid took...