I know that some of you are worried about network latency, especially algorithmic traders. Part of this latency comes from the way that electromagnetic signals propagate more slowly through copper than through the classical vacuum. This can slow your packets by as much as 40%. Using its expertise from high end audio, those fine people from Denon have made an ethernet cable of such exquisite perfection that words simply fail me. Buy one now. Better still buy two before the NSA embargoes their sale as a matter of national security, lest al Qaeda gets hold of them.