2 petabytes scenery data streamed via Microsoft Azure, can be cached as well
Dynamic stalling.. 1000 data points per surface vs 1 per FSX plane.
Real time weather and sea... 32 levels of clouds.. Rain modeled on particles..
Barometrics affecting aircraft. Clouds affecting aircraft. Sloped runways, wheel resistance. Using Bing world data.
460 cities with 3cm resolution, most others 50cm.
Development has been going on for 5 years. 2 trillion trees mapped. Interactive check lists, slopes and uneven terrain. Dynamic friction, real time AI traffic, 3rd party support. 200 developers at ASOBO, Microsofts development partner, 60% have PPLs.