Rahul V Patil presented on the P-ISM, a conceptual "pen-style personal networking gadget" created in 2003 consisting of 5 functions: a CPU pen, communication pen, LED projector, virtual keyboard, and digital camera. The package allows for portable computing through wireless connectivity and uses pens, a projected keyboard and screen, and camera for functionality. It aims to provide ubiquitous computing through a compact set of connected devices.