Now when I upload an image to Facebook it automatically uses facial recognition to tag my friends. In the video from 2013 he mentions they had already solved th

Now when I upload an image to Facebook it automatically uses facial recognition to tag my friends. In the video from 2013 he mentions they had already solved the problem using heuristics to find faces in images. Before that, circa 2012, they might have been relying on people to tag their photos.