Dan Kusnetzky was a vice president of the well-known IT industry analyst firm IDC for a number of years, specifically covering operating systems. Some of his studies of Linux growth and market penetration have been among the most-quoted ones around -- both by Linux advocates and Linux detractors. In this 19 minute video interview he tells how he first got interested in open source, where that interest has taken him, and where he sees open source going in coming years.