Very cool! And if there's one company I admire, and would like to work for, it's GitHub.
This may also work for web-apps, btw. Let your users modify something about your web-app, or create something new, that is not just for them, and I'll bet they'll become much more invested (like wikipedia).
This may also work for web-apps, btw. Let your users modify something about your web-app, or create something new, that is not just for them, and I'll bet they'll become much more invested (like wikipedia).