Facebook is in hot water as more users find out how much of their personal data the social media giant has collected. In a new study by anonymous social app Blind, 89% of 1,300 Android users claim they did not give Facebook permission to gather their call and text history.

Following news of the Cambridge Analytica scandal, Android users began investigating the extent of Facebook's data collection. They learned the company had been recording their call history records and SMS data, which the majority of them did not consent to. More than 30% of 2,600 users surveyed in March say they plan to delete their Facebook account, Blind reports.

Last week, Facebook shared several steps it's taking to cut back on the amount of data it pulls from Android. CTO Mike Schroepfer says call and text history is part of an opt-in feature for Messenger and Facebook Lite on Android devices. The purpose is so Facebook can surface frequent contacts, he says, and the content of message is not collected.

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