John Hebeler has over twenty years of distributed computing experience. He is currently investigating Internet multimedia and Instant Messaging for Arbitron. Previously, he was Vice President of Engineering for Roku Technologies, a P2P software startup. He is a popular speaker on advanced technologies, and is also an adjunct professor for Loyola College where he teaches advanced technology courses for the MBA curriculum. He recently published for McGraw-Hill; "Peer-to-Peer; Understanding the Internet's Peer-to-Peer Networking Functions and Capabilities".