Tori Floyd at The Right Click wrote a humorously, informative article about predictive liking. This article and the supporting PDF chart published on Proceedings of the National Academy of Sciences of the United States of America (PNAS) reveals that that every time you 'LIKE' on Facebook, you are being sorted and categorized.
It's not a real brain stretch to realize that every social network you belong to or search engine you use do the same thing.
It's all about the stats and trends, folks. Marketers and corporations depend on this information. Example: the Automotive Digital Marketing Professional Community
Why don't we exercise our digital voices by mindfully indicating what we want?
Just a thought...