I think this is pretty creepy. What do you think?
“Let’s say you like a Facebook page devoted to breast cancer survivors. It has been a useful forum for comparing treatment options with others who have dealt with similar health issues. There’s only one problem: Facebook has now categorized you as a patient, and you constantly receive precisely targeted ads about cancer services available near you. They are showing up on your computer screen at work, for all your co-workers to see, right when you’re up for a big promotion.
Many users experience a version of this scenario when they receive creepily personalized ads while browsing on Facebook. When those ads follow users onto sites outside Facebook, it feels like an invasion of privacy. But how do you regulate data privacy in an age of big-data black boxes?”