I've been to a few demos at the end of hackathons (absolutely refuse to take part in one myself) and have only ever seen one somewhat useful project come throug

I've been to a few demos at the end of hackathons (absolutely refuse to take part in one myself) and have only ever seen one somewhat useful project come through. And it was quite obvious that the team had done a fair bit of pre-hackathon prep... Last company I worked started pushing these in a big way. Free pizza and goodies so I code all night, unpaid, at our work offices... who on Earth does this kind of thing appeal to?!