In Pictures: 15 coolest gadgets at Macworld/iWorld...
By now, you've probably heard that water is Public Enemy No. 1 for the iPhone. Many iPhones have been ruined by washing machines, swimming pools and other watery graves. Seidio, though, offers one of the few waterproof iPhone cases (don't be fooled by "water resistant" cases). This level of protection doesn't come cheap. Cost: $79.95.
In Pictures: 15 coolest gadgets at Macworld/iWorld Expo