third-party data

Facebook Doesn’t Tell You What It Really Knows About You

The logo of  “Facebook” is reflected in the pupil of an eye. (Photo: Joerg Koch/DAPD)
(ANALYSIS) — Facebook has long let users see all sorts of things the site knows about them, like whether they enjoy soccer, have recently moved, or like Melania Trump.
But the tech giant gives users little indication that it buys far more sensitive data about them, including their income, the types of restaurants they frequent and even how many credit cards are in their wallets.