The document describes a new technology called P-ISM being developed by NEC Corporation that will replace laptops. P-ISM uses five specialized pen-like devices that each have a unique function: a CPU pen, communication pen, LED projector pen, virtual keyboard pen, and digital camera pen. Together these pens enable portable ubiquitous computing through functions like processing, wireless connectivity, screen projection, keyboard input, and webcam capabilities. The technology aims to advance compact and portable computing.