The first power cord that really impressed me was the Synergistic Master Coupler. Before that, I always thought that all that was needed was AC and a power cable. "Afterall, with the miles of AC cabling running from the power station to my house, how can a 5-foot cable make a difference?"
Decades later, I am deep into power cords, conditioners etc. It is ironic though, even with all we now know, there are still those who claim the same as I uttered so many years ago,
ozzy