If you're only picking frames out at relatively infrequent intervals like GCHQ w...

		makomk on Feb 28, 2014 \| parent \| context \| favorite \| on: GCHQ intercepted webcam images of millions of Yaho... If you're only picking frames out at relatively infrequent intervals like GCHQ were, in most video formats it's relatively easy to find keyframes and save those - by definition they're not going to depend on any other frames.