Baffled by and none too excited about LinkedIn. It seems to be primarily commercial, and I have been having great trouble working out which bits of my information are now public. I am sort of hoping that none of them are visible. I am also not going to share the contents of my various address books with it.

I can see that there might be some point to having a "professional" networking site, though I wonder about the real point of this in the public sphere.

Not sure I shall use this much.