Demoing forking and edit to web students

* Web demos are fun
* Students need to know the web flow
* Teaching markdown makes the world better

![Screen Shot 2013-02-08 at 9 15 33 AM](https://f.cloud.github.com/assets/2132216/140528/883d355e-7223-11e2-829f-eef68e88a456.jpg)

* Pure writing interface
* That removes all distractions