Daily Dooley
- Alucid Team
- Jun 4
- 1 min read

Question: Which mobile app was the first to hit 1 billion active users?
Answer: Facebook
A billion monthly active users (a metric also known as "MAUs") isn't just a milestone, it's a coronation. It marks an ascension from useful to essential, a tool embedded in the muscle memory of daily life.
Facebook was the first mobile app to cross 1 billion MAUs in June 2015. It took them 8.7 years to achieve the feat. At the time, this was seismic: the social network had not only transitioned successfully to smartphones but had become the default layer of digital social interaction worldwide. That figure would later balloon to over 3 billion, cementing Facebook's role in the architecture of the internet.
Why "Dooley?"
Inspired by the founder's alma mater - Emory University's spirit mascot, Dooley represents the voice of the student body. And when Dooley shows up to your class, you can count on a fun time and the rest of the day off!
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