Somewhere, a British spy is wanking to your last naked video chat:
The document estimates that between 3% and 11% of the Yahoo webcam imagery harvested by GCHQ contains "undesirable nudity". Discussing efforts to make the interface "safer to use", it noted that current "naïve" pornography detectors assessed the amount of flesh in any given shot, and so attracted lots of false positives by incorrectly tagging shots of people's faces as pornography.
How much "desirable nudity" do those GCHQ analysts look at?
There seems to be more concern at the GHCQ for "protecting" its staff from seeing some pornography-like pictures than there is for the privacy of millions of normal people. Is that the right balance?
Those who argue against these untargeted "collect it all" attempts by the spy agencies will soon be confronted with this counter-argument: "People who show "undesirable nudity" during their webchats are severely hindering the essential work NSA and GHCQ do. They are thereby objectively SUPPORTING THE TERRORISTS!"