Web developers, meet WebGazer: software that turns webcams into eye-trackers

Eye-tracking technology has long been the domain of high-end research, but this week new software brings it within reach for anyone with a website.Developed by computer scientists at Brown University, WebGazer.js can be added to any site with just a few lines of code. Running on a website visitor's browser, it essentially turns the computer's webcam into an eye-tracker that can infer where on a page the viewer is looking.Ultimately, it could help Web developers optimize content and make their we