Mac OS X contextual help
Good contextual help is one of the hallmarks of a mature design. I like this use of a video tutorial in the trackpad system preferences on Mac OS X. Interacting with a trackpad might be an unfamiliar thing to some people. In the case that it is, this video shows how to use the interface. Neat.
Also, welcome back to another season of UI Scraps! I hope you’ve enjoyed the break. I’m back in action, and all systems are a go.