That has nothing to do with gum. As explained by AdFreak.
It’s quite intriguing and awesome and intoxicating, especially when other people join in. Watch for the demilitarized zone in Korea just shy of the 2 minute mark, and my hometown of A-TX just after.
Oh, and the Stride Gum part pops up at the very, very end.
There’s still so much of the world I haven’t seen!
Edit: For the record, I wrote this post over a week before the NY Times published their piece on it.