Volumatic fire and smoke, realistic hair/fur… where are they !!! they talk about it so much at the videos of unity 4 but i cant seem to find them, Please answer 
Thy have been talking that’s now possible to make those effects, but unity never say that they deliver it with unity.
You can build it your self or buy it form someone else.
The only example of the new technology is the Tessellation Shader (DX11) package.
I do not like this way of advertising but that how it is.