Kevin: I found out about the earthquake on Digg, but it was the buzz on Twitter as well. Paul Bradshaw collects some of the journalism via Twitter.

Kevin: From the blog of the Frontline Club, a club for journalists in London, asking whether the debate over the journalistic use of Twitter is over. It’s incredibly useful especially with additional tools for visualisation and search.

Kevin: A great collection of ways to visualise Twitter interactions. Twitter and other social applications have huge amounts of data that can be useful for journalism.