Here's a plugin you can install and use that will protect you from Firesheep on a lot of sites that support it. Not all, by any means, so don't go assuming you're secure, just because you're running it, but it should keep you safe on many popular sites.

3 Conservative MPs, one of the them a cabinet member, have repeatedly smeared and harassed a journalist who had the temerity to question some of the lies they told in public. (I should perhaps say that I don't believe that Labour MPs are automatically above this kind of behaviour, either, merely that I haven't read anything about it lately. That doesn't make it acceptable that the Conservatives do it.)

Some good, thoughtful writing on the current crop of magazines-for-ipad, and the failings in the software used to produce and consume them.