Alright, now this is just cool! According to Engadget, I am gathering that one could use these methods to better protect their own wireless LAN!

WiFi-blocking paint and wallpaper are a good start, but if you need total protection from all those hackers that are out to get you, you’re going to have to do something about those windows, right? You could just live and work in a windowless sub-basement like we do, never seeing the light of day or interacting with another living creature, or you could try and put an end to your paranoia with Spyguard, a transparent film that blocks any and all WiFi signals from leaking out through your windows. You could also just take your chances and secure your network by encrypting your traffic, it’s really up to you. [Get the links]