“The Information Arms Race” by William Wheeler

This article is about political campaigning, targeting, and segmentation based upon things like Netflix ratings, Facebook likes, and other data you generate about yourself by just using the internet.

I’ve often wondered what Apple can ascertain about me when they collect and analyze information for iTunes Genius. iTunes doesn’t just contain data on what’s in my collection, but also things like play counts, star ratings, and when music was added to my library. What can that fingerprint tell them about me?