service/survey.md

+# Survey
+
+Tor project runs a survey services to avoid using external services that won't be privacy friendly.
+
+The service uses [limesurvey](https://www.limesurvey.org/) and runs on [Subnotabile](https://db.torproject.org/machines.cgi?host=subnotabile).
+
+The survey is also accessible via onion address at http://bogdyardcfurxcle.onion/