$ is not a generic symbol for money. Also, that video is very inaccurate, Africa for one certainly does not count in that manner all over the continent. People

$ is not a generic symbol for money. Also, that video is very inaccurate, Africa for one certainly does not count in that manner all over the continent. People count differently, but the counting methods vary across countries and areas a lot more. People who deal with money a lot also tend to count differently from normal people.