A podcast is an episodic series of digital audio or video files
Which podcasts do you like to listen to? 
Today there are more than 115,000 English-language podcasts available on the internet!    I like sports ones like Bill Simmons
That is a lot of podcasts.  Who exactly is Bill Simmons?
Bill Simmons
William John Simmons III (born September 25, 1969), is an American sports writer, sports analyst, author, and podcaster. Simmons first gained attention with his website as "The Boston Sports Guy" and was recruited by ESPN in 2001, where he eventually operated the website "Grantland" and worked until 2015. At ESPN, he wrote for ESPN.com, hosted his own podcast on ESPN.com titled "The B.S. Report", and was an analyst for two years on "NBA Countdown".
History of podcasting
Podcasting, previously known as "audioblogging", has its roots dating back to the 1980s. With the advent of broadband Internet access and portable digital audio playback devices such as the iPod, podcasting began to catch hold in late 2004. Today there are more than 115,000 English-language podcasts available on the Internet, and dozens of websites available for distribution at little or no cost to the producer or listener. According to one survey in 2017, 42 million Americans above the age of twelve listen to podcasts