Even when speaking with fellow English speakers, sometimes you realize that the same thing can be called a variety of names. (Try calling soda “pop” in most of the US and enjoy the funny looks you get.) The same is true in Japan, where, thanks to regional dialects, some people have a hard time being understood when they leave their hometowns.
One Twitter user recently brought regional dialect differences to the forefront of the Internet when he surveyed over a thousand people about the word they would use to describe a certain way of sitting. Collecting and plotting the data on a map of Japan, the results have been surprising people from all regions!