Google aims to track users with wi-fi

"Google aims to be able to track its users to within 100-200 feet of their location through new wireless networks in order to serve them with relevant advertising from local businesses.

The leading internet search company, which depends on advertising for 99 per cent of its revenues, was selected on Wednesday by San Francisco as its preferred bidder to provide a basic free wi-fi internet service covering the entire city. "

Big Brother is watching you.