Portable media players

Podcasts, an unknown word and means of broadcasting as recently as 20 years ago, now have an estimated global audience of 400 million and the market is expected to be worth over $20 billion by the end of the year.

Apple disclosed serious security vulnerabilities for iPhones, iPads and Macs that could potentially allow attackers to take complete control of these devices.

Apple released two securityreports about the issue on Wednesday, although they didn't receive wide attention outside of tech publications.

In 2014, the last year Apple broke down iPod sales as a separate category, the company sold 14.4 million iPods

When Sony introduced the Walkman in 1979, it changed the way people listen to music forever. Thanks to the iconic portable cassette player and many copycat devices, people were now able to listen to music on the move, and day-to-day activities such as commuting to work suddenly became a lot less boring.