Facebook gives you an opportunity to comment on changes. <em>(In 2012, Facebook <a href="https://github.com/tosdr/tosback2/commit/768ec27f8f8e0ce4e3de4cd7e8356f221b037758?diff=split#diff-a46e598d293b63dc57f2aa089ce7762eL194">changed their terms of service</a>. Before that, you could also vote against the changes (even though the results were <strong>not binding</strong> unless 30% of the active users voted). Now, there is no vote any more.)</em>