Here's a longer description of the session than the one on the MAX Europe web site to give you a better idea of what to expect:
Jed Hurt has updated SWX Ruby, the SWX RPC implementation in Ruby (currently for Ruby on Rails) to Alpha 0.1.1. He has also recorded a new screencast to show you how to get up and running with it.

This is freaky: Do you see the dancer spinning clockwise or counter-clockwise? (It's a simple animated GIF so there are no parlor tricks involved!)
This is a wonderful development for any iPhone owner who wants to run homebrew apps on their device. (Apple, on the other hand, don't want you to run any software that's not made by them on their your iPhone.)