Facebook log-in is being widely used off Facebook and represents a Trojan horse for enhancing its people-based data and for upselling other solutions to app developers, in our view. The company said that over 80% of the top 100 gross apps in the US use Facebook log-in and apps that use Facebook log-in see on average a 10% life in log-in conversions.
FB disclosed that 80% of the top 100 grossing third-party apps are using Facebook log-in for authentication, which highlights the broad reach of the FB platform across both the iOS and Android ecosystems.