How should journalists use social media? (a hangout)

When journalists use social media, should they blur professional and personal lines?

My Interactive Journalism students at City University setup a Google+ Hangout (with some shepherding from Judith Townend) to discuss the issue, and I joined in with Nick Petrie from The Times and Sarah Marshall from journalism.co.uk. Here’s the video:

(You can read the post on digital doorstepping I referred to, if you’re interested)