Thoughts on car sharing and the folding car

This morning, RelayRides will announce it is updating its system on how neighbors share cars. Before, only cars with OnStar and smart card systems could be used (like how I-GO and ZipCar operate now). The change is that anyone with a car can sign up to lend it, for as little as $5 per hour, using a key exchange: the owner and the renter arrange to transfer the key.
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