600 W Chicago Ave, Chicago, Il
Node.js Knockout is a 48-hour hackathon featuring node.js.
Form teams to compete and make sure you register at http://nodeknockout.com/teams/new. If you still need a team, mention it on twitter to @node_knockout.
Groupon will host any teams that want to compete for the weekend.
Act now and get 50% off.
Until February 1.