One last word from the author

We are, I think we can say, all at the beginning of our watchOS development careers. And it's also the case that both Swift and the Apple Watch itself are very young contenders for the attentions of the world's next generation of app developers.

You, as much as anyone, have the potential to shape the new genre of mobile and wearable devices, a genre that is still finding its feet in the glare of media hype, commercial speculation, and, one hopes, some genuine pioneering spirit among users and developers alike.

As watchOS moves forward and matures, alongside its sibling, iOS, and its distant cousin, tvOS, we should consider ourselves extremely lucky to be in the game, so early in the story.

However important hard work, discipline, a cool head, and even a little financial investment may be to the success of your coding career, whether professional or purely as an occasional past-time, there is one small, obvious piece of advice that will add wings to everything...