As Steve Jobs famously said, “Innovation is saying no to 1,000 things.” Of course, the outside world rarely gets to see those any of those 1,000 things, as Apple only publicizes the few products that got the thumbs up and made it out to store shelves. Publisher Arnoldsche and designer Hartmut Esslinger are finally giving people a look into what could have been. Keep It Simple (€30/~$41), subtitled “The Early Design Years of Apple,”…