Chapter    1

Welcome to the Apple Watch

When I learned to program computers more years ago than I care to remember, the hardware that I used literally filled a room. Ten years later, it was possible to build a computer that was small enough and cheap enough to have in your home or on your desk at work. Today, we think nothing of carrying in our pockets computers that are more powerful than the ones that were used back in the “good old days” to run a business or navigate a spacecraft to the moon and back. We use them to schedule our lives, read books, listen to music, send and receive e-mails, and even make phone calls. Over the last 15 or so years, several companies have experimented with the idea of making it possible to wear your phone or personal ...

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