@eMarketer estimates that @instagram will have over 100 million US users by 2018. This year, Instagram users increased ~21% to 77.6 million users. @Yesmail found that 16% of CPG brands and 23% of retailers have an instagram account. Furthermore, Yesmail found that brands on Instagram saw their number of followers grow an average 278% in 2014 (more than any other platforms studied). Research by @L2_Digital found that quality matters more than quantity of posts on Instagram. - Link