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here. Their scope is limited by the $5,000 prize that will be both their reward and their entire budget for bringing their vision to fruition. The ideas range from skating on fake ice in the Great Hall, to turning into a pinball parlor, to filling it with astroturf and a giant blob, to projecting your text messages for all to see (Anthony Weiner need not apply).
See all the 25 entries, and cast your vote - here.