2010 October 6th

Kevin Systrom and Mike Krieger published an Instagram app for sharing photos and short videos in the App Store. The app gained a lot of popularity among users within a few months and in December of the same year, more than 1 million users were using it. In April 2012, Instagram was acquired by Facebook for approximately $1 billion. In February 2013, the number of active monthly Instagram users reached the 100 million milestone.

Instagram website in 2011

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