As the cursor moves around the photo collection, the selfie variations dynamically replace themselves with what is appropriate to give the impression that the people are noticing the cursor and following along with it. When the cursor has not moved for a moment, all selfies will adopt their "serious" variations, and more comedic variations will be displayed when the cursor is hovering over each of them. The single photo at the front can be swapped for one of the background photos by clicking on one of them. The website shows some of the HTML code used to define the different versions of a set of selfies, and it also lets the user use a connected web camera to upload their own photos. For more information click here https://creepyface.io/.