High-tech wallpaper keeps neighbors from stealing Wi-Fi

http://now.msn.com/money/0510-wifi-blocking-wallpaper.aspx

“The French think of everything. Scientists in Grenoble have developed wallpaper that keeps your Wi-Fi signal inside your house in the ultimate preemptive strike against neighborly Wi-Fi theft (other than simply setting a password, that is).”

High-tech wallpaper keeps neighbors from stealing Wi-Fi

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