One of the standout features was the Dock, which was introduced in Mac OS X 10.0 Cheetah. The Dock didn’t always look the way it does now; at first, it was just a row of plain square icons.

Web developer and interface designer Michael Hüneburg, rebuilt the standard OS X dock using CSS3 animation and including reflections, bounce effects, labels. He also used some additional icons ...

Mac OS X 10.5 Leopard costs $129 out of the box ... is different without demanding that you relearn the layout. The Dock organizing applications and files becomes a bit more transparent.

Ten years ago today, on March 24 th 2001, Apple released Mac OS X 10.0 Cheetah. Now ten years on, OS X has evolved into what we know and love as being Snow Leopard, that latest major update to OS X.