Wanted: White knight (shiny amour optional) to save us from ourselves and the wretched lifestyles we choose. Your coffeemaker went dead on you this morning, and while lamenting your drowsiness at work, your friend Denise mentions that she just bought a new coffeemaker at Target and she absolutely loves it. You take your coffee the same way Denise does, black, strong, and all day long, so you decide to buy one for yourself. You are a busy professional and you don’t have time to go to Target, search for a good parking spot, walk to the store, walk around until you find the small appliances, pick it up, stand in line, walk back to the car, struggle to back out from the too narrow parking space, and drive home through congested intersections. It could easily take half an hour out of your already busy day. So you decide to buy it online in the evening. You get home, feed the kids, answer a couple of urgent emails from your boss, and after everybody goes to bed, you settle down to finish tho...