Once seen as a marginal forum for comedy, tech talk and public radio programming, podcasting is one of the hottest corners in media. Yet its formats and business practices are still developing, leading producers, executives and talent to view the medium as akin to television circa 1949: lucrative and uncharted territory with plenty of room for experimentation and flag-planting.
Source: Podcasting Is Booming. Will Hollywood Help or Hurt Its Future?