Google has mapped every wireless network in Britain in order to use the information for commercial purposes, it has emerged.
Every WiFi wireless router – the device that links most computer owners to the internet – in every home has been entered into a Google database.
The information was collected by radio aerials on their Street View cars, which have now photographed almost every home in the country.
The data is then used on Google’s Maps for Mobile application to locate mobile phones such as iPhones in order for users to access information relevant to the area such as restaurants, cinemas, theatres, shops and hotels.
The project had remained secret until an inquiry in Germany earlier this month in which Google was forced to admit that it “mistakenly” downloaded emails and other data from unsecured wireless networks where they we