What an interesting contest! Can you build a Responsive Design HTML5 page that exists in 10K zipped or less? Be sure to check out the info from the MIX Online team here and from the contest site here. This is conjunction with the folks who put on an earlier 10K contest (crazy cool entries) – and it’s an impressive list of names, including Ethan Marcotte author who originally pinned the popular article on the subject. FAQ and rules are here.