E TOUCH

Computer hardware, namely, computer input devices that sense force applied by a user, computer output devices that provide force feedback to a user, devices that provide three-dimensional output to a user from a computer, and devices that provide three-dimensional input to a computer from a user; computer software, namely, software implementing human-computer interfaces providing force-sensitive interaction, software implementing human-computer interfaces providing force feedback, and software implementing human-computer interfaces providing three-dimensional interaction