Why does the word billion sometimes mean 10 to the 9th, and other times mean 10 to the 12th?(Send feeback to erik@mathmutation.com)

Math Mutation 82  How Not To Decorate  Your Bathroom

Welcome to Math Mutation, a podcast for people of all ages where we discuss fun, interesting, or just plain weird corners of mathematics that you would not have heard in school.(Feedback email  erik@mathmutation.com).