1) Apple's iPod changed the MP3 market by addressing customer needs through iTunes legal downloads, easy organization software, and stylish yet functional devices.
2) Apple promoted different iPod versions to appeal to various market segments and expanded into the iPhone, attracting customers with its touchscreen, web access, and multimedia handling.
3) However, some early iPhone adopters felt betrayed when Apple dropped the phone's price by $400 only months after its debut, prompting Apple to offer $100 store credits to appease customers.