You may already have an Apple Watch and you may have been using it to build and run the apps presented in this book, all with no problems at all. And if you have, good on you, you were in luck.
Quite possibly you have a watch, and you have made a detour here because things aren't running quite as smoothly as we would wish. If that's the case, we will soon have you up and running.
It is also completely plausible that you have read this far, using only the Xcode's Watch Simulator app and Xcode itself to test your code.
By now you'll have had considerable opportunity to decide whether or not you're going to get serious about developing for the Apple Watch. This is handy, because you really do need to commit to the purchase of a physical device to go any further in the process of turning an idea in your head into an app on somebody's wrist.
Although you can test at least 90% of your app's code on the Simulator, there are many...
