In this podcast episode we remember the 70s and how everyone in the US was going to convert to the Metric System. There were TV commercials trying to convince us to change, teachers would pound into us that we needed to learn the Metric System now, and thermometers, gas pumps and speed limit signs started to show metric equivalents. But what happened? Listen to I Used 2 Know- The Metric System was Coming and find out why the US is still not using the Metric System, how secretly the US IS using the metric system, and how the world just redefined the kilogram last November, 2018.