Snapchat just became a whole lot more interactive. So did Facebook.

FILE - In this Thursday, Oct. 24, 2013, file photo, Snapchat CEO Evan Spiegel poses for a photo in Los Angeles. (AP Photo/Jae C. Hong, File)

WASHINGTON (CIRCA) - Vomiting actual rainbows just became a whole lot easier with Snapchat's new "World Lenses" feature, which allows users to paint the world with digital 3D objects.

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