Inch or Metric? - Question of the Day

We've been toying with the idea of asking questions that come up regularly on the channel, or that we just think are cool and will generate some interesting responses and discussion from our viewers. In this QOD Mark asks a simple question that everyone has a different reason and answer for . . . Here is the StrawPoll link that Mark mentions in the video: https://strawpoll.com/z27ps292