Instagram now has 700 million users, with 100 million added since December

Facebook-owned photo sharing app Instagram now boasts 700 million active users, with 100 million coming on board since December. Instagram has added various new ways to share photos, boomerangs, videos as well as stories.
Facebook bought Instagram for 1 Billion when it realized it could not compete with the popular photo sharing app. Since then, Instagram's evolved by emulating features found on other popular image sharing services, most notably Snap.