Most won't be. I've concentrated on technological examples of new niches, but things like antibiotic resistance are where evolutionary thinking is going to most important to you. It's not as obvious as the demand which will result from the age-ing of the population, but evolutionary workings will be most demanding on pharmaceutical research and marketing. Everything is going to speed up, making foresight and short lag times even more important than at present. So that's my pump-priming exercise.
Evolution provides many useful examples of both gradual change and sudden invention.
Remember relative rates, lags, mode changes, conversions, and synergies as you speculate about what you know best. And if you discover another quality bootstrap that recursively uses all six essentials of a Darwinian process, I sure hope that you'll let me know about it.