The image results for Paris are pretty diverse, but most of them are about the French city and Paris Hilton. Now let's restrict the images to faces by adding &imgtype=face at the end of the URL: we get all kinds of images, but all of them show faces. Google uses face detection technology to select only images that contain faces and that may be the first visible result of the Neven Vision acquisition.
The restriction to news-related images seem to include only images posted to news sites like BBC or New York Times.
You can try the two restrictions in the search box below:
{ Via Blogoscoped Forum. }
Update (June 24): The options are now available in the advanced search interface in a new section titled "content types".