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In 2015, Snapchat blew the top off selfies when they introduced the first interactive filter. Known to many of us simply as “barfing rainbows,” this iconic filter started a trend of real-time filtered selfies. Computer tracking technology maps the face for certain focal points, like the eyes and nose, to match up the user’s face with the filter. The result is a customized, and sometimes goofy, selfie that’s just begging to be shared with friends. There’s a reason Snapchat remains the top social media platform for sharing selfies, even over Instagram.