Yes, I know, you see them plugged into the wall, and believe me, if I could figure out a way to remove the whole stinking plug I would!
One of my favorite handy dandy trinkets is the cord cover, which I've found at home improvement and electronic stores:
And the sky opens up, the angels sing.........
P.S. I guarantee you that I would never notice this in other people's houses -- I swear to you. It's my own little obsession in my own home and I just expect a professionally decorated home on television to take care of that little detail. :)