You Give Apps Sensitive Personal Information. Then They Tell Facebook.

Wall Street Journal testing reveals how the social-media giant collects a wide range of private data from developers; ‘This is a big mess’

Millions of smartphone users confess their most intimate secrets to apps, including when they want to work on their belly fat or the price of the house they checked out last weekend. Other apps know users’ body weight, blood pressure, menstrual cycles or pregnancy status.

https://www.wsj.com/articles/you-give-apps-sensitive-personal-information-then-they-tell-facebook-11550851636