Lots of great inventions seem obvious in retrospect….

“Lots of great inventions seem obvious in retrospect. About 30 years ago, one of our clients realized that if you attach a small pom-pom to the back of a short tennis sock, the sock won’t slip down into your tennis shoe. The idea sounds obvious, but designers had wrestled for years with the problem until our client solved it. He patented the idea – and retired.” cite