I made a website that only works if you’re smiling at it

I made a website that only works if you’re smiling at it.

(Caveat: it doesn’t seem to work on iPhone very well, and I’m not sure about Android, but I’ve tested it across browsers on desktop and iPad.)

Behind the scenes it uses face-api.js to identify your emotion from your webcam, and then applies the result to a CSS opacity filter on an absolutely positi…