Why can’t you have Twitter, a Wiki, and a blog all in one thing?
I’ve never understood, quite, the difference. Of course, a blog is a linear stream of posts. So is a twitter timeline.
And a wiki is just a markdown front end, a navigation method.
BlueOxen E Kim transclusion
Note that purple_include can run client-side, and HTML5 client-side data storage is supported. On the iPhone.