Regardless of what purpose "analytics" data was supposed to provide, it inevitably can be used for targeted surveillance, whether that is a state actor or hacker or corporate espionage or an engineer running un-audited queries on the hadoop database because he got his girlfriend's device ID to stalk her with.
- Amazon knew seller data was used to boost company sales and used a "god mode" like access to do so without the 3rd party sellers being aware
- Between January 2014 and August 2015, the company fired 52 employees for exploiting user data for personal means, according to an advance copy of "An Ugly Truth: Inside Facebook's Battle for Domination" that Insider obtained.