This document discusses interactive multimedia technology and the BumpTop desktop environment. It defines multimedia as combining different content forms like text, graphics, audio and video. Multimedia can be linear and play in a set order or be non-linear and interactive. BumpTop is an interactive desktop environment that uses physics effects to make documents interact more realistically when bumped or tossed. Key features of BumpTop include organizing data into piles, pinning reminders, intuitive thumbnails and sharing photos by tossing them. The conclusion states that evolving multimedia will simplify user tasks through more interactive means.