With 1.3 million concurrent viewers for much of the premiere, the latest episode of Jason and Travis Kelce’s New Heights ...

Taylor Swift, on boyfriend Travis Kelce's New Heights podcast, explained she views her energy as a "luxury item." She has a point.

For stars promoting their projects, podcasts have become an appealing alternative to late-night TV and glossy magazines.

While it may be expected that superstars require a certain level of security, the sheer amount of money required to make that happen could be surprising.