Mobile apps built with Facebook's SDK secretly shovel mountains of personal information into the Zuckermouth

If you need to build an app quickly and easily, you might decide to use Facebook's SDK, which has lots of bells and whistles, including easy integration of Facebook ads in your app's UI.

The quid pro quo is that your app will send all your users' sensitive data to Facebook, and Facebook stores that data forever and uses it in every conceivable way.

That means that menstruation-tracking apps like Flo Period and Ovulation, real estate apps like Realtor, and fitness trackers like Instant Heart Rate send incredibly sensitive personal data to Facebook, with unique identifiers that allows Facebook to track individuals across different apps, even when those individuals don't have Facebook accounts.

When called by the Wall Street Journal, the companies behind the apps had a variety of responses, from denial to lying to shock and horror. Facebook blamed the app vendors for not understanding that the apps they built would spy on their users on Facebook's behalf.

Apple and Google threw up their hands and blamed everyone except themselves .

Facebook reportedly gets deeply personal info, such as ovulation times and heart rate, from some apps SHARE / TWEET / 40 COMMENTS #deletefacebook / android / apps / facebook / gdpr / grifter capitalism / ios / mobile / surveillance capitalism / zuckster fire GET THE BOING BOING NEWSLETTER

In Social Connectedness in Urban Areas , a group of business and public policy researchers from Facebook, NYU and Princeton study anonymized, fine-grained location data from Facebook users who did not disable their location history, and find that the likelihood that New Yorkers will remain friends is well correlated with the ease of commuting READ THE REST

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