Kreg Steppe, a self-professed geek, has an alter ego: worldwide disc jockey with a following. Well, OK, it was just one guy who was dying to meet him at the Podcast and New Media Expo in Ontario, Calif. But still -- Steppe has a fan. Steppe, of Rock Hill, S.C., is the costar of Technorama, a podcast he records weekly with a friend in Wisconsin.

Growing Podcast Is Larger Than Life