A live style guide is a great tool, but after it's been in use for a while, as the applications that use it grow, certain pain points appear. The style guide becomes unmaintainable or ignored. Lonely Planet has faced these obstacles and talks about a way forward, to a live pattern library.

M odels encapsulate everything that your application knows.
O perations encapsulate everything that your application does.
V iews mediate between your application and the user.
E vents are used to join all these components together safely.

steep steep stairs. very creative solution.

A rotating levee. Wow.

Hotel room with black paint along all edges. The effect is surreal, like real life has become cel shaded.

"Inhabitat"