- John is one of the Vlogbrothers, a terrific duo of brothers with takes on social, societal, and global issues.
- He is also an author and signs every copy of his books (100,000s of copies)
- He posted this video, mentioning that he hadn't yet found a way to autograph digital copies.
- An averaging filter is run over the image, calculating the mean pixel intensity for each square in a grid.
- Each square then plays a note corresponding to its height in the image at a time corresponding to it's horizontal position.
