"Voluntary data are worthless" c.f. http://news.ycombinator.com/item?id=491723 http://news.ycombinator.com/item?id=491723 Especially when the polls lack any s

"Voluntary data are worthless" c.f. http://news.ycombinator.com/item?id=491723 http://news.ycombinator.com/item?id=491723 Especially when the polls lack any sort of attempt to prevent double (or more) voting, and are generally viewed as a joke.