Facebook Inc. FB 0.42% said it logs the phone call and messaging histories of some Android smartphone users who installed its messaging app or a lighter version of its main Facebook app. The statement followed users’ reports on Twitter in the past week that they had examined their Facebook data and saw the company logging the information. One popular tool called “Log in with Facebook,” available on many apps, lets people log in using their Facebook credentials. But with 2 billion Facebook users world-wide, “Log in with Facebook” is a quick and popular option. Knowing that someone has stopped using Tinder or started using a health app can be valuable information, he said.

Source: Wall Street Journal March 26, 2018 13:58 UTC