Even after realizing how awesome metric is I still maintained that it wasn't worthwhile to switch. It didn't seem to matter what units people learned All the science that matters is done in metric anyways. I swore to raise my children to think in metric just because it's so logical but there seemed no reason to inconvenience the rest of America.
I recently had a change of heart. The metric system is not only logical, it is conducive to the development of scientific thought.
