Instagram ad revenue to double to $10.87bn by 2019, says eMarketer

Facebook's hold on the social media ecosystem won't loosen anytime soon according to research from eMarketer which predicts a thirds of social media users will use its site Instagram by 2021. Furthermore, it will double its current ad revenue by 2019.
The marketing company's data claims that 30% of all social media users across the world will be on Instagram in the next four years, a quarter increase of the 593.7 million users it boasted in 2017.
The group predicts that Instagram ad revenue