Innovation Often Comes From Combination
A new product can be an arrangement of capabilities that already existed. A drone, for example, depends on motors, flight control, sensors, batteries, software, and communication working together. The parts do not have to be invented at once for their combination to change what people can do.
The practical work is in the fit. A lighter battery means little if the controls cannot use it safely. Better sensors need a system that can interpret them. A promising combination fails when one necessary part is unreliable, too expensive, or too difficult to maintain.
This makes assembly a creative act, not a lesser form of invention. Someone has to see which pieces can now work together, solve the interfaces, and test the result under real conditions.
When looking for a new possibility, ask which existing capabilities have become ready for one another. Innovation may begin at the point where separate advances finally form a workable whole.