Gone are the days when you sit on a cold toilet seat and get the shock of your life! Or maybe if you know some slob has used your toilet and you desperately need to go but don't want to sit when it's still warm. You can now prepare yourself just by looking at the colour! Have I sold you? Would you want one of these?
Here's a link: Gadgets: Hypercolor Heat-Changing Toilet Shows Who's Been Assing it Up