We've all heard about 'someone' whose done that (including in the toilet!
) and several how to 'fix it.' From dry white rice to a hair dryer .... but what if you don't happen to any of that handy?
Seen a few reviews on this handy deal and appears to work a treat. Just spend the $20.00 and keep it in the glove box in your car/truck. Just pull the battery (if you can) and seal everything in the bag. A few hours later 'Bob's your Uncle' as the Brit's would say:
Bheestie Bag Can Save Your Wet Electronic Devices – Viewpoints.com
There's a larger version of the above (another company) that will even take e-readers, etc. Google: Dry-All Wet Cellular Phone Emergency Kit