blogging. And, it's no surprise, he wrote his own blogging tool with Cocoon (you can
Linotype (that's its name) uses Cocoon's flow engine. This engine is drastically changing my way of building webapps, since it makes previously complicated things so simple. My feeling is that once you've tried it, there's no turning back. So try it, try it quick !
Stefano says, it's amazing what can be done with a few lines of glue code. But this glue-code has features like continuations (freeze the program state, waiting for user input) and the whole power of Cocoon components. I don't know of any equivalent to this. And I love it.