Business Insider:

Some of these features are incredibly useful and make its products more enjoyable, while others are purely cosmetic. Regardless of the value they add to the overall experience, it’s fascinating to learn about the lengths Apple goes to when it comes to design and product development.

Here are 21 of our favorite examples of Apple’s obsession with detail.

Apple has always had this obsessive attention to detail. I love that some of these are so subtle you’d never notice them but Apple went to the effort to create them anyway.