ComputerWorld: In a Black Hat security talk entitled "How I Met Your Girlfriend," security researcher Samy Kamkar demonstrated a creepy hack that uses Google Street View data for stalking victims. In a few clicks, he showed how an attacker can track down and find a person's physical location with alarming accuracy. He doesn't need IP address information, thanks to Google's achievement of sending cars through neighborhoods, capturing photos and data, and collecting information on Wi-Fi networks such as MAC addresses.
Seems similar to the other article but this one is more in depth and scarier.