Vue implements this billboard system of rendering. It's bizarre I know. And did you see the bump mapping of the textures on the ground where the troops where walking. Makes rocks look like paper.

It's fun to mock.
Did you notice how they used music very similar to Crysis to try to hook in that audience while demonstrating the ecosystem? And they mentioned ecosystem loads of times with slightly different wording. lol.
Allow me to rephrase the different elements portrayed here without the PR.
EcoSystem Technology - trees n stuff
Atmosphere effects - Light
Dynamic Ecosystems - trees n stuff
Spectral 2 clouds - 2D clouds
EcoSystem Painter - placing trees n stuff
Subsurface scattering - Light going through things
Water editor - water
Wind & Breeze effect - animation of trees n stuff
Advanced dynamics -

? rendering stuff??
Infinite terrains - slightly bigger terrains than 512x512
Light-cloud interaction - you havva da cloud and you havva da light
Dynamic Motion Reaction - you can move the camera
Outdoor Radiosity - Light
Indoor Radiosity - Light indoors
Local wind effects animation of trees n stuff