Park yourself in front of the TV screen on any weekday afternoon, perhaps to catch-up on the status of your favorite daytime dramas and if you channel surf like I do you are very likely to run smack dab into an unavoidable onslaught of tediously boring 30-minute long product demonstration-style videos called infomercials, many of which are designed to promote a spiffy looking new mini-blender that threatens to make toast (or should I say puree) out of