But the hybrid system means far fewer specialists are needed, and many specialist firms and banks have been firingfloor brokers or reassigning them to trading desks off the floor.
Warming up with an opponent near her former home in Maryland, her sneakers squeak as she slides back and forth across the floor and she flicks her paddle, firing the ball at speeds of up to 70 mph.
Even the simple act of firing up your PMP can send you to the floor in tears if you discover your earbuds are in the wrong way, forever ruining the beautiful stereo trickery of The White Album.
The result is immersive game play that requires quick reactions and frantic firing as aliens emerge from the walls, ceiling, floor or random objects at every angle imaginable.