Fur. It's hard to model in CGI. For a start, it's not one object but hundreds or thousands or millions of them. To make them convincing you have to model them; understanding how they move relative to each other, and to the animal or human that they're attached to
The Blender Foundation has released Blender 2.70 – the first release of the 2.7x-series. That series will incorporate major changes to the UI. But unlike the switch from the 2.4x to the 2.5x-series, the changes will be integrated gradually
Have a close look at this video clip. It’s an advert for a high-end kitchen worktop manufacturer. Watch it in 720p, and look as closely as you can at the camerawork, the clever use of depth of field, the lighting, and particularly the fresh fruit.
And then reflect on the fact that no cameras - or indeed fruit - were involved in the making of this at all.