Gary Kline has been an advocate for the open-source software model for several years, runs his own public service Unix site, and was the lead writer for a Q & A column published in the BSD magazine, DaemonNews ( www.daemonnews.org )for more than six years. (He acknoledges the considerate help from his fellow volunteer writers. Since 1996 he has been developing Muuz ., a light/sound mind-machine that will be freely available for open-source platforms.