The article says otherwise:<p>&gt; Students don’t log in with Facebook, and engineers handle data in accordance with the White House’s Student Privacy Pledge[0], which prevents them from selling student information or using their behavior to target advertising at them.<p>[0]: <a href="http:&#x2F;&#x2F;studentprivacypledge.org&#x2F;" rel="nofollow">http:&#x2F;&#x2F;studentprivacypledge.org&#x2F;</a>