Apple normally doesn’t invent a new product or product category. Sure, the company did invent the first commercial PC with the Apple II, and the Mac improved on PCs with a graphical user interface and mouse input. But since then, all of Apple’s other products have been recreations of existing products. Apple did not invent the MP3 player; Apple reinvented it and made it better. Apple did not invent the smart phone; Apple reinvented it and made it better. And Apple did not invent the tablet; Apple reinvented it and made it better.