When we sent users their "data", many of them were in disbelief at how little data they received. Many had come to believe that all tech companies are secretly building inventories of user data to sell to 3rd parties, when really most of us just want to know if our heavy users of Feature A are also heavy users of Feature B, or if Feature C is more popular with new users but not old users.
The strange part is that tech companies are taking the brunt of the bad PR for things like gathering customer feedback and serving relevant ads, while traditional companies like cell phone providers and credit card companies are actually selling customer data. The latter doesn't get enough attention despite being a much more widespread issue.
Facebook doesn't sell your data, but your phone provider and credit card company probably do. But ask the average person who's selling their data, and Facebook will get all the blame.
