Here's a product with a good deal of appeal: a spray-on substance that renders practically anything super hydrophobic. Sounds like just what I need for when I get caught in the rain on the bike.
What they don't mention is how it reacts to some of the other kinds of contaminants, like motor oil.
Watch the video at the link. What it does for chocolate syrup is nothing short of amazing. It's supposed to hit the market next year.