Data, Facebook, Instagram, Social Media, Twitter Since Facebook, which was founded 13 years ago, hit 1 billion monthly active users in 2012, the number of people using the site appears to be growing at an astronomical rate. Youtube is not far behind at 1.5 billion monthly active viewers/creators and Instagram at 700 million. 11 Sep 2017 Why Social Media Advertising is a Smart Play for Arts Marketers Since Facebook, which was founded 13 years ago, hit 1 billion monthly active users in 2012, the number of people… Sarah Chapman