Most (nearly all?) inventions aren't revolutionary in their novelty but are just an increment above what already existed. So I'm agreeing with you but want to make sure the inventiveness of this kid is not understated--especially since I think the intelligence demonstrated in his article is above that of a typical US college graduate.
"Most (nearly all?) inventions aren't revolutionary in their novelty but are just an increment above what already existed."
This is true. If you're interested in the history of invention, try Steven Berlin Johnson's "Where Good Ideas Come From." Fascinating book, lots of depth, much recommended.
