Evan Williams, founder and CEO of Odeo at his offices in San Francisco, Thursday June 30, 2005. "If podcasting finds a large enough audience, the money will come," said Williams, co-founder of Odeo, a San Francisco-based podcast directory expected to launch this month. The runaway popularity of blogging, which has turned everyday people into online news outlets, caught the media and entertainment industries off guard. Now, a host of companies, including ABC, Newsweek, Slate.com and National Public Radio are salivating over a technology that can transform individuals into Internet radio stations.