While Instagram’s current user base of over 800 million people, owned by Facebook, is certainly massive, it wasn’t always so. Instagram’s early adopters credit:
Having a fantastic product that’s loaded with features people actually wanted
We’re putting an emphasis on the user experience and making it as simple as possible.
Providing early access to create brand advocates before release.
Instagram gained 10,000 users in its first hour, and its popularity has only increased since then.