Last year there was discussion where some HNers suggested that they'd be interested in participating in the competition if we allowed other forms of data:
http://news.ycombinator.com/item?id=2321009
This is the early announcement this year, where we're soliciting suggestions about other forms of data to include for this year.
[+] [-] danger|14 years ago|reply
This is the early announcement this year, where we're soliciting suggestions about other forms of data to include for this year.