Dive summary:

• A day after its release, Poke by Facebook is the No. 1 free app in the Apple App Store.
• The Poke app knocked Google Maps from the No. 1 spot that it had held for a week.
• Facebook shows its continued focus on mobile apps with the success of Poke.

From the article:

… Most iOS users who are getting new devices, or even first-timers, are swayed by what’s hot on the App Store. The leaderboard is very important to onboard new users into the app ecosystem. Apple likes to highlight the best and brightest that shows off their technology, but the leaderboard shows what users are really interested in. Today, it’s all about Poke. …