The apps usually support almost all file formats, or at least the more popular ones so that users get to read most of all that they wish to go through, which can be e-books, magazines, PDFs ...

All the titles are available as Kindle, iBooks, Kobo e-books and ... Bose, e-readers, Amazon, glasses, ski gear, iPhone cases, gaming accessories, sports tech, portable audio, interviews ...

Compared with physical book sales, audio is the baby of the publishing world, but it is growing up fast. Gone are the days of dusty cassette box-sets and stuffily-read versions of the classics.