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Kevin Systrom, co-founder and chief executive officer of Instagram Inc., sits for a photograph after a Bloomberg Studio 1.0 interview at the company's headquarters in Menlo Park, California, U.S., on Monday, June 20, 2016. Instagram passed 500 million users, and growth is accelerating as the photo sharing app clears a hurdle that has stalled competitors. Photographer: David Paul Morris/Bloomberg via Getty Images

Kevin Systrom, co-founder and chief executive officer of Instagram Inc., sits for a photograph after a Bloomberg Studio 1.0 interview at the company's headquarters in Menlo Park, California, U.S., on Monday, June 20, 2016. Instagram passed 500 million users, and growth is accelerating as the photo sharing app clears a hurdle that has stalled competitors. Photographer: David Paul Morris/Bloomberg via Getty Images

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recording video with instagram app on iphone 5

recording video with instagram app on iphone 5

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Mark Zuckerberg, chief executive officer of Facebook Inc., speaks during an event at the company's headquarters in Menlo Park, California, U.S., on Thursday, June 20, 2013. Facebook Inc., operator of the largest social network, plans to unveil video-sharing tools, bringing its Instagram into closer competition with Twitter Inc., a person with knowledge of the matter said. Photographer: David Paul Morris/Bloomberg via Getty Images

Mark Zuckerberg, chief executive officer of Facebook Inc., speaks during an event at the company's headquarters in Menlo Park, California, U.S., on Thursday, June 20, 2013. Facebook Inc., operator of the largest social network, plans to unveil video-sharing tools, bringing its Instagram into closer competition with Twitter Inc., a person with knowledge of the matter said. Photographer: David Paul Morris/Bloomberg via Getty Images

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recording video with instagram app on iphone 5

recording video with instagram app on iphone 5

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A Facebook Inc. employee demonstrates the new video feature with Instagram during an event at the company's headquarters in Menlo Park, California, U.S., on Thursday, June 20, 2013. Facebook Inc., operator of the largest social network, plans to unveil video-sharing tools, bringing its Instagram into closer competition with Twitter Inc., a person with knowledge of the matter said. Photographer: David Paul Morris/Bloomberg via Getty Images

A Facebook Inc. employee demonstrates the new video feature with Instagram during an event at the company's headquarters in Menlo Park, California, U.S., on Thursday, June 20, 2013. Facebook Inc., operator of the largest social network, plans to unveil video-sharing tools, bringing its Instagram into closer competition with Twitter Inc., a person with knowledge of the matter said. Photographer: David Paul Morris/Bloomberg via Getty Images