Comment by jgrahamc

The Kickstarter itself says: "You're supporting an entirely new type of technology that has the potential to inspire new ideas and future innovative products."

No, you are not. Exploiting the pressure difference like this for inflation is not new by a long shot. Just pop down to REI: http://www.rei.com/product/829645/exped-schnozzel-pumpbag

Edit: read rest of replies below for clarification.