Watch Mary Kirby trying the Zero Gravity seat, a new aeroplane seat especially designed to increase your oxygen flow and circulation. It elevates your knee line over your heart line, achieving a larger angle between your pelvis and your back.
According to Moises Perez, B/E Aerospace's Senior Electrical Project Engineer, the Zero Gravity seat will keep you more comfortable than traditional bed-style seat in long flights. If you have the money to fly business or first class, that is. [Runwaygirl]