Buzz privacy

Google seem to have realised they screwed up:
http://www.lightbluetouchpaper.org/2010/02/12/whats-the-buzz-about-studying-user-reactions/
http://gmailblog.blogspot.com/2010/02/millions-of-buzz-users-and-improvements.html
http://www.theregister.co.uk/2010/02/12/google_buzz_tweaks_tinnitus/

I'm still not sure what it's going to offer over existing social things.

Meanwhile, bohemiancoast has a neat summary of the problem, with incitefulinsightful link about some of the reasons why geeks are likely to make that sort of mistake (which I hadn't seen before, but I certainly recognise them).