I think this product that was just blogged about does not make any sense.

water going down the sink forms a vortex but it isn't strong enough to clean the stubble from my smooth as "porcelain" vitreous china, sink. How is this going to move my wife's shoulder length hair past a glob of tooth paste?

http://www.bobvila.com/OnTheLevel/An-End-to-Clogged-Sinks-4316.html