Facebook asked users to take a quick and painless survey on user experience, in multiple-choice form. It asks: how happy you are with Facebook, whether the service is easy to use, if its reliable or not, and whether you think it is trustworthy. Facebook wont be adding to that data set, given that it’s declined to share the results of its own polling. A spokesman told the Washington Post that Facebook does doesn’t share the data it collects from the survey, though it’s happy to get feedback.”]
Source: https://nakedsecurity.sophos.com/2014/01/03/the-exact-number-of-people-who-trust-facebook-is-poll/