Technology
![Photo-sharing app Instagram turns 5 years old today, having grown to 400 million users and 40 billion posts since it was born in San Francisco in 2010.](http://theshortnews.com/wp-content/uploads/2015/10/rsz_photogrid_1444119915088-296x296.jpg)
October 7, 2015
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Instagram turns 5 years old!
Photo-sharing app Instagram turns 5 years old today, having grown to 400 million users and 40 billion posts since it was born in San Francisco in 2010.