Reddit r/place: Every user was given an option to add only one tile to the canvas every 5 minutes. Millions of Reddit users collaborated in public piece of artwork that the platform brought back on Fools' Day (April 1). Since Friday, when r/place was thrown open, nearly 72 million tiles were placed by over six million users. The data is till Sunday night, which translates to 2.5 million tiles per hour. Here is the final artwork of the event on a tshirt.