Here's a silly way to shop
An internet stream is pure information. Information is power. And power goes through power lines. Really, it's only common sense that this would work.
Have you ever eaten at a sushi place with one of those conveyer belts? The Woot-Off is sort of like that, except instead of sushi you're grabbing TVs, there is a slightly smaller chance of contracting giardia, and we won't berate you about eating all the rice.