Anti-Wi-Fi Wallpaper
Slow Wi-Fi speed can often be attributed to neighbors mooching off of your connection, but a new kind of wallpaper
may stop that problem for good. It features an arrangement of special
crystals that block certain Wi-Fi frequencies, like the one your router
uses. This keeps the signals inside, preventing anyone else from
siphoning off your bandwidth. And the best part about it is that it
doesn’t cost much more than regular old wallpaper.
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