that matter can mirror a website that's trying to shut down one of these other websites. it's called denial of service attacks. you basically try to get to a site so many times using your own server, it basically crashes their server. that's what's happening with mastercard and visa. then there's insurance. julian assange has got some insurance. he's threatened to release a colossal file of unknown but presumably explosive content if he is imprisoned or killed. we don't know what that is. i'm going to stop talking now and bring in john sutter, a technology writer for cnn.com. he can explain my new favorite term low-orbit iron cannon. this is -- there are a lot of people who probably didn't care about this a week ago who are saying, this isn't just about who says whom about what, but visa, mastercard, paypal, how close can they get to me. >> it's becoming much more notable, as you said. the terms are out of control.