Sam Biddle (via John Gruber):
Offered to select Facebook partners, the data includes not only technical information about Facebook members' devices and the use of Wi-Fi and cellular networks, but also their previous sites, interests, and even their social groups. These data come not only from the company's main iOS and Android apps, but also from Instagram and Messenger. The data has been used by Facebook partners to assess their status against competitors, including customers who have lost and won from them, but also for more controversial uses such as race-targeted ads.[…]
The source, which discussed Actionable Insights on condition of anonymity because they were not allowed to speak to the press, explained that Facebook has offered the service to operators and telephone manufacturers apparently free charge, with access to Actionable Insights provided as a sweetener for advertising. According to the source, the underlying value of providing such free access to Actionable Insights in these cases is not only to help better cell customers with weak signals, but also to ensure that telecom and telephone manufacturers continue to buy more and more carefully targeted Facebook ads. It is precisely this kind of quasi-transactional data access that has become a hallmark of Facebook's business, so the company in a plausible way refuses to ever sell your data while still exploiting it for revenue.
Formerly: A privacy-focused vision for social networks
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