User blog comment:Nblonkenfeld/Superfan Trivia Contest/@comment-4742896-20140618114932/@comment-20644-20140618160147

If you'd like to participate, you could always register a Twitter account for the duration of the contest. Once it's over and the winner is chosen (you'll want to wait until then so your entries aren't deleted), you could close your Twitter account after that. Totally up to you.