How to build your career in Artificial Intelligence?

When you start learning a new skill, the first thing is to look at the big picture and where your would-be skills fit in the field. It gives you a context of what role you can play or are expected to play. And when the skill and field are evolving & overwhelmingly large, you are so engrossed in the details that most probably you tend to miss the purpose. In my view, to understand the big picture, ask yourself'why' more often and start with the end in your mind. The following analogy is not particularly about artificial intelligence but in general.