The world's largest photo service just made its pictures free to use

If you go to the Getty Images website, you'll see millions of images, all watermarked. There are more than a hundred years of photography here, from FDR on the campaign trail to last Sunday's Oscars, all stamped with the same transparent square placard reminding you that you don't own the rights. If you want Getty to take off the watermark, you'll have to pay for it. Starting now, that's going to