[Beltalowda]

Or sometimes, what already exists is "okay" but not all that great, and by "reinventing" it you can improve on things.

As with many things, NIH is a great attitude to have in some cases, and a horrible one in other cases. Being mindful what you're doing and why is key.

[tbrownaw]

Bicycle wheels, airplane wheels, and office chair wheels are all pretty different for pretty good reasons.