All this makes me wonder what crazy real-life hacks have been described in YC applications.
Edit: There's a discussion thread from when the "real-life hack" question was introduced to YC applications at https://news.ycombinator.com/item?id=104802. A few HNers shared their hacks there.
This was posted a few days ago - you might want to look up the discussion. I can't find it for you because the search function doesn't work on the Blackberry browser. Way to go everyone.