Specific Knowledge Is Often Highly Creative or Technical

So whatever you are a natural at, you want to double down on that

Specific knowledge tends to be on the bleeding edge of technology, art, and communication

Instead of trying to be the best at one thing, just try to be very, very good at three or more things - then combine them

follow your own Obsession

Specific knowledge can only be built as part of a larger obsession/interest and time spent in that domain. It can't just be read straight out of a single book, nor can be taught.