What uses can you think of for this new waterproofing in a can??

"Say goodbye to water damaged phones and soggy shoes - Rust-Oleum just launched NeverWet, an amazing product that can waterproof nearly any surface or object. The ultra-hydrophobic spray coating was developed by Ross Nanotechnology, and it repels water like nothing you have ever seen. After a long time in development the product is finally available to the public, and you can get it now at Home Depot for $20 for an 18oz can.
Watch the demo movie....↓↓↓
http://www.youtube.com/watch?feature=player_embedded&v=DZrjXSsfxMQ
more....
http://www.youtube.com/watch?v=mEH6tDLKcVU
http://inhabitat.com/incredible-spray-that-makes-anything-totally-waterproof-is-finally-available/