Visually impressive, the site loads up as a supposed view of Facebook's 1.2 billion users. You can select any area of the picture to zoom in for a closer look at clusters of individual profile images, all chronologically ordered, according to Rojas. Hovering over a user's picture will give you their name and "FACE #," representing the order all profiles were created. Clicking a user's picture will even launch their full profile page on Facebook.