[dwd]

That would require them to be specifically tracking this questionnaire for that purpose and filing the results against your profile or shadow profile.

As I noted, it is possible to derive a reasonably accurate profile simply from the language a person uses, so if you're on Facebook, or use GMail they have enough data passing through their servers to profile you anyway.

Technology like this:

https://personality-insights-demo.ng.bluemix.net/