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Just who is looking over your shoulder when you browse the Internet? Tomorrow, web users will be given a new tool to shine a light on the commercial organisations which track your every movement online.
Lightbeam, a download produced by Mozilla, the US free software community behind the popular Firefox browser, claims to be a โwatershedโ moment in the battle for web transparency.
Like dozens of other brick-and-mortar retailers, Nordstrom wanted to learn more about its customers โ how many came through the doors, how many were repeat visitors โ the kind of information that e-commerce sites like Amazon have in spades. So last fall the company started testing new technology that allowed it to track customersโ movements by following the Wi-Fi signals from their smartphones.