He Googled her often, tracking her whereabouts through the blogs that always posted items about her.

Many cities also have a local Freecycle.org site, where members post items they're giving away at no charge.

FriendFeed has added a new feature that allows you to "push" your posted items on to Twitter.

Looters employ global tracking devices, smugglers bribe low-paid customs officials, and sellers post items on eBay and clandestine chat rooms.

BlogIt began life in April as a way to concurrently post items to Facebook and a number of popular blogging services.

Facebook is testing multiple ways for people to post items to their local market, either directly or by cross-posting from existing sale groups.