ApartmentTherapy.com: It's a Diffrient World
Unplggd calls Diffrient World "an evolutionary transition from control-rich task seating to a simplified and auto-adapting mesh-lumbar support system."
Palm supports (unfortunately referred to by many as “wrist rests”) should be exclusively used to rest palms between periods of typing. If you rest your wrists on these supports, particularly while typing, you increase your risk for injury.
Ergo Gear Guide