The winner of our first question challenge, The Review Spew, was ItamarG3's question, the Order of Subjects in Beginner's Curriculum. And the winning answer was iFrame for The order of subjects in beginner's curriculum. Congratulations, ItamarG3 and iFrame!
It is also time to determine the next contest topic. Place your nominations, one subject or tag per answer, below, and upvote the ones that seem interesting. (Especially useful are contests that you might personally be able to enter into, as the goal is to encourage good content on the site!)
UPDATE
The second Topic Challenge has been announced: Topic Challenge #02: Being Selfish.