These are far from scientific/bulletproof polls.
This poll does not limit votes by IP address. Logged in users can only vote once, and that's recorded on the site end of things based on userid. Log out of the site and you can vote again as a guest...which is recorded as a cookie on your browser since there's no userid to associate it with. And oh-by-the-way, those guest cookies are cleared when you log in and out. In fact, any time you log in to the site and then back out again you can vote again as a guest.
But that would be wrong.
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