Facebook’s Jeffrey Spehar revealed that Facebook Login is now being used in 81 of the top 100 grossing iOS apps and 62 of the top 100 grossing Android apps. Also, people use Facebook Login with new apps more than 850 million times per month .
Facebook Login Spehar shares two apps that are doing everything right. The two apps are Lyft and Kickstarter. Lyft asks for only the necessary permissions – public profile, email, and friends list – rather than excessive information that may seem extraneous to users.