See: Lytro, which has struggled to find a good use for its lightfield cameras, but might actually have something now. Lightfield cameras can extract depth infor

See: Lytro, which has struggled to find a good use for its lightfield cameras, but might actually have something now. Lightfield cameras can extract depth information directly, which lets them synthesize stereo views with a single camera. Duct-tape enough of them together and you can synthesize stereo views in every direction, which is pretty cool.