Also see the absurdly long list of pissed-off bloggers at http://www.librarything.com/thingology/2007/11/shelfari-spam-basically-social.php http://www.libraryth

Also see the absurdly long list of pissed-off bloggers at http://www.librarything.com/thingology/2007/11/shelfari-spam-basically-social.php http://www.librarything.com/thingology/2007/11/shelfari-spam... (Disclosure: I used to work for LibraryThing... and built their address-book inviter. I'd like to believe we implemented it a little more tastefully, though. =P)