As if trying to sell people hugely expensive mains and audio cables
wasn't enough, it seems that computer cables are now fair game:

http://arstechnica.com/gadgets/2015/...no-difference/

(from comp.misc)

A vaguely interesting point is made in the test report however,
referring to cheap ethernet cable not meeting LAN spec. Quite what that
means in practice, I'm not sure.

--
Cheers, Rob