A Self-Heating Butter Knife: Genius or Overkill?

At first, I thought that this electric butter knife—which heats itself to an optimum temperature (41 degrees celsius) in under 20 seconds—was nothing more than a frivolous byproduct of first-world culture. But the more I think of my epic struggles with a cold stick of butter sometimes, the more I think I like it. What… » 6/29/12 8:00pm 6/29/12 8:00pm