I try to keep up with on-line privacy issues, but I learned a lot from this article. For instance, I did not realize that companies can (literally) individually target ads.  Toyota can (literally) tell Facebook to send Steven Guccione Toyota truck ads.  I always assumed this was based on some profile and, hence, anonymous.  Anyway, a good, non-technical read from a former Facebook security lead, now a critic.

Facebook’s political ad problem, explained by an expert