Up from 500M in late June, 400M last September, and 300M in December 2014.
A 100M portion of the updated figure is attributed to new users joining the service within the preceding six months alone.
As Instagram evolves dynamically from its original form through the addition of Stories, live video, ephemerality and various other features since first launching in 2010, user growth remains highly responsive to the Facebook-owned (NASDAQ:FB) product.
