Average Faces
The Face of Tomorrow was the one I was thinking about: the photographer takes about 50 male and 50 female headshots and overlays them to find an ‘average’ face. The averages tend to be attractive - they blur out blemishes whilst retaining an astonishing amount of detail:
Technically, most of the challenge is aligning the features - particularly the eyes. I must have me a go at this at some point. I mean with my own photos.
If you can’t wait for that, why not have a go yourself?