The idea often isn't obvious (except in hindsight) ... but ideas aren't patentable. The implementation (that which might be patentable), on the other hand is t

The idea often isn't obvious (except in hindsight) ... but ideas aren't patentable. The implementation (that which might be patentable), on the other hand is typically something any bozo could code up in half an hour without referencing anything, and thus "obvious."