This document provides an overview of 5 Pen PC Technology presented by Pranay Neema. It discusses the history of the technology developed by Tour Ichihash called P-ISM in 2003. P-ISM uses 5 pen functions including a CPU pen, communication pen, visual output projector, virtual keyboard, and camera. It connects to the internet via Bluetooth and a cellular phone function. While portable and feasible, challenges include cost, battery life, and unclear future implementation plans.