[freebilly]

For now, the first customers will be deep-pocketed institutions such as the U.S. Postal Service and General Electric, the National Parks Service and Amazon.com

Good to know the Post Office and National Park Service have such deep pockets.

[Lucius Cornelius Sulla]

U.S. Postal Service

If this thing means that mailmen walking a route can carry more mail, it could pay for itself.

the National Parks Service

I, for one would love to rent one of these things for a few dollars in order to walk through Yosemite Park, or walk down a Grand Canyon trail. These things could make the parks profitable.