The only company that can take a bite of the iPod is the same company that makes the iPod? It seems almost impossible now to imagine the iPod being beaten; there are just too many of the things, people are too used to them and the ecosystem strongly favors the device.
<a href="http://www.applematters.com/article/worrying-about-the-ipad-imitators-dont/" target="_blank" rel="noopener noreferrer">Worrying about the iPad Imitators? Don’t - AppleMatters</a>