https://ohm2013.org/site/call-for-participation/ You really should think about going.
Although, when I say 'go' I mean 'participate' since pottering about like a tourist means you miss two-thirds of the experience.
Oh. Wait. I wonder what a not-shit-twitter optimised for a hacker camp would look like?
Also. Someone persuade @tef to (re)submit his coding piece from EMFcamp.