Original sentence: Of the many Harry Potter-related podcasts, Apple Inc.There have also been several of these live joint podcasts in New York City, Las Vegas, and California.has featured two: MuggleCast and PotterCast
Edited sentence: Apple Inc.There are many other Podcasts centered around Harry Potter, but MuggleCast and PotterCast remain the two most popular.There have also been several of these live joint podcasts in New York City, Las Vegas, and in California.has featured MuggleCast and PotterCast on occasion