anchor.diff:  
   .slide#slide-4
     :markdown
  +    # forcing 2009 to be realtime
  +
  +    - XHR long-polling
  +    - [Orbited][1]: Python twisted package
  +
  +    [1]: https://bitbucket.org/desmaj/orbited
  +
  +.slide#slide-5
  +  :markdown
       # "Rails"?
   
  -    - 10,000 lines of JavaScript
  +    - 1,185 lines of JavaScript
       - [12 lines][1] of Ruby
   
       [1]: https://github.com/visnup/lazeroids/blob/master/app/metal/update.rb
  -
  -.slide#slide-5
  -  :markdown
  -    # forcing 2009 to be realtime
  -
  -    - XHR long-polling
  -    - [orbited][1]
  -    - Python package
  -    - Twisted
  -
  -    [1]: https://bitbucket.org/desmaj/orbited
   
   .slide#slide-6
     :markdown
  
positive.code:       <span class="note">(cross-site *shared* chat room)</span>
      - Scrabb.ly
        <span class="note">(*multiplayer* collaborative crossword game)</span>
  
  .slide#slide-11
    :markdown
  
negative.code:   :markdown
      # node.js knockout #1
  
      - node v0.1, v0.2.4 (no package.json)
      - 100 entries, 200 teams (arbitrary limit)
      - **sponsors** Palm, Sencha, Yahoo!, CouchDB, 10gen, Smule, JSConf, npm(??)
      - **judges** Brendan Eich, John Resig, Ryan Dahl, Isaac Schlueter, Mikeal
        Rogers, Guillermo Rauch, TJ Holowaychuk, ...
      - **locations** SF, NYC, Boston, Berlin, Cologne, Dresden, Paris, Vancouver
  
  .slide#slide-10
    :markdown
      # [2010 winners][1]
  
      - Swarmation
        <span class="note">(*realtime* *multiplayer* shape-making game)</span>
  