double your internet speed with a wire ?

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http://forums.fedoraforum.org – OK, anyone seen this? http://www.youtube.com/watch?v=lG5cE...eature=related this guy wraps the ends of an Ethernet cable with another Ethernet cable and he claims it doubles your internet speed. I tried it, didn't work for me. BUT I did find that specific cables I had did work better then others, it didn't matter if they had the special wrapping or not. I didn't expect this to work since I always thought it was my ISP chocking my speed not some limitation of the hardware I'm using. comments? (HowTos)