• CNBC, Monday, May 16, 2016 9:05 AM

You may have heard of virtual reality (VR). You may have even used it once. And then you might have thought it was just a passing fad. But there are quite a few people who think otherwise. On Wednesday, Facebook owned Oculus announced that over a million people used Samsung's Gear VR headset in April. Oculus, which Facebook bought for $2 billion in 2014, provides the software for Samsung's device. Oculus also said developers have created more than 250 apps for the Gear VR, highlighting the attraction of VR platforms for developers. While the numbers may seem small, it's only been six months since thelaunch of the Gear VR and analysts said the numbers signal growing momentum for the technology, albeit with a cautious approach.

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