 Nevertheless, it was an effective enough product that Manjoo had started using it as his backup music player ("when my iPhone’s battery dies").Like the Edsel, to which it has sometimes been likened, Manjoo said the Zune's failure may have led the way to eventual success with other products.The HD's user interface, he noted, was the first such Microsoft product to rely on text rather than icons, and it would form the basis for Windows Phone, Windows 8, Xbox and all of the company's web-based services.