Two excellent, interesting, a very different posts that are worth flagging up. Firstly, Sarah Evans on Mashable on the ten best social media tools for journalists and PRs. It's a bit US centric but there's a couple of the list I use from time to time, and I'd especially love to get more people into working with wikis, as there's so much potential there.
Even if you're not planning on using any of them, it's worth a look just to get an idea of the tools and sites that are available.
On a completely and utterly different note, POLIS director Charlie Beckett asks if, in relation to journalism, we can trust the internet. It's a fascinating read that, if I had more time, I'd have liked to blog a bit further about. There's small points I disagree with, but his conclusion is one I'd go along with.