According to Edison Research, the audience of monthly podcasts has doubled in the past five years.

On July 17, Bloomberg quoted people familiar with the matter as saying that Apple was considering buying exclusive original podcast content from media companies, the latest move by Apple to bet on its service business.

Is an old player in the Apple podcast market. In 2005, the podcast was launched on iTunes Store, and the podcast App was released in 2012. However, the app hasn't changed substantially for many years. It's just a basic piece of software in Apple's smart devices. Podcasts are experiencing a renaissance as users' habits of content consumption change.

The audience of monthly podcasts has doubled in the past five years, according to Edison Research. Another factor reflecting the growth potential of podcasts is that the realization of podcasts is far from being fully tapped compared with the commercial revenue of other types of content, such as online video and traditional broadcasting.