Has Facebook addiction really come to this?
http://gawker.com/5814416/guy-updates-his-facebook-page-during-16+hour-standoff
Here's an interesting article about using Firesheep to sniff out passwords on unsecured WiFi networks. The cops could possibly have used this to communicate with Valdez.
http://money.cnn.com/2010/12/14/technology/firesheep_starbucks/index.htm (http://money.cnn.com/2010/12/14/technology/firesheep_starbucks/index.htm)
Via Schneier on Security: http://www.schneier.com/ (http://www.schneier.com/)