I’ve just stumbled across ‘First Draft News‘ which in their words is “Your guide to navigating eyewitness media, from discovery to verification”. They have produced this handy video on how to make the most of tweetdeck. I have been using tweetdeck for years and it really is a great tool for mining twitter.
Many journalists swear by Tweetdeck for keeping an eye on sources, events and hashtags. Here’s how to get started
You should definitely check out their other free resources which include tips on Social Newsgathering; verifying newsworthy stories; and Ethics And Law.