The details that come from your own personality and experience, such as watching Apple work or watching a designer friend work, will never be found in an existing library.

creativity Making something new: where ideas come from, what conditions let them come, and whether a machine can have them.

design How things should be made and judged: what makes a design good, who should do the designing, and what an interface is for.

Apple The App Store toll, the turn to services, and whether the company that made the machines is still that company.