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Boost your WiFi signal using foil
Check this out. Create this simple "EZ parabolic reflector template" out of aluminum foil and some paper and give your router a ridiculous signal boost. I haven't tired it, since the freeantennas.com website appears to be down at the moment. Check out this Lifehacker site for more tips. [youtube=http://www.youtube.com/watch?v=sUTT8wdN_VA]