Science and technology

Associated Press
FILE - In this Wed., Sept. 3, 2014 file photo, British television presenter Rachel Riley shows a virtual-reality headset called Gear VR during an unpacked event of Samsung ahead of the consumer electronic fair IFA in Berlin. Oculus, the virtual reality company acquired by Facebook earlier this year for $2 billion, is holding its first-ever developers conference and is expected to discuss the much-anticipated release of its VR headset for consumers. The two-day Oculus Connect conference begins Friday, Sept. 19, 2014. (AP Photo/Markus Schreiber, file)

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