Facebook has reached data-sharing partnerships with at least 60 device makers — including Apple, Amazon, BlackBerry, Microsoft and Samsung — over the last decade, starting before Facebook apps were widely available on smartphones, company officials said.
…. Facebook allowed the device companies access to the data of users’ friends without their explicit consent, even after declaring that it would no longer share such information with outsiders. Some device makers could retrieve personal information even from users’ friends who believed they had barred any sharing, The New York Times found.

https://www.nytimes.com/interactive/2018/06/03/technology/facebook-device-partners-users-friends-data.html
If true, will Facebook executives be going to jail?
It looks like Zuckerberg and Sandberg have been telling some large fibs to consumers and Congress.