 policy debate, which is how many false positives are acceptable. If we're being told, please, please, get all this ISIS content down, and we will say there is inevitably going to be a certain number of false positives, is society going to say, fine, that's a price worth paying, or is society going to focus on the false positives and say, don't use the technology until it's perfect. And that applies across a whole range of other areas. So the second kind of algorithm, which I think is interesting, is that which is around