Google

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This August, 2013 photo provided by Google is a frame from a moving time-lapse sequence of images of rafters on the Colorado River in Grand Canyon National Park., Ariz. Google has taken its all-seeing eyes on a trip that few ever get to experience - a moving tour of the river through the Grand Canyon courtesy of a Google time-lapse camera making sequential images. The search giant partnered with American Rivers to showcase the whitewater rapids, a handful of hiking trails, the towering red canyon walls and the stress placed on the river by drought and humans. The imagery taken last August went live Thursday, March 13, 2014. (AP Photo/Google)

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This August, 2013 photo provided by Google shows a frame from a moving time-lapse sequence of images of rafters on the Colorado River in Grand Canyon National Park., Ariz. Google has taken its all-seeing eyes on a trip that few ever get to experience - a moving tour of the river through the Grand Canyon courtesy of a Google time-lapse camera making sequential images. The search giant partnered with American Rivers to showcase the whitewater rapids, a handful of hiking trails, the towering red canyon walls and the stress placed on the river by drought and humans. The imagery taken last August went live Thursday, March 13, 2014. (AP Photo/Google)

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FILE - In this Sept. 25, 2012 file photo, Google co-founder Sergey Brin gestures after riding in a driverless car with California Gov. Edmund G Brown Jr., left, and state Senator Alex Padilla, second from left, to a bill signing for driverless cars at Google headquarters in Mountain View, Calif. The California Department of Motor Vehicles on Tuesday, March 11, 2014, held a public hearing to solicit ideas on how to integrate driverless cars, sometimes called "autonomous vehicles," onto public roads. (AP Photo/Eric Risberg, File)

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FILE - In this Tuesday, Oct. 29, 2013, file photo, two men fish in the water in front of a Google barge on Treasure Island in San Francisco. Google's mystery barge was floating Thursday, March 6, 2014, toward its new home in the California delta after the Internet company was ordered to move it from San Francisco. (AP Photo/Jeff Chiu, File)