That's the officiallyunofficial rule at all the hackathons I've been to, but also at every hackathon I've been to, the biggest prize winners were teams that wer

That's the officiallyunofficial rule at all the hackathons I've been to, but also at every hackathon I've been to, the biggest prize winners were teams that were coming in with something they'd obviously been planning and working on for at least a couple weeks ramping up to the hackathon. I imagine with a ycombinator interview on the line that sort of behavior will only be more prevalent.