they're saying that their engineering teams learned configuration changes on the backbone that coordinate traffic between our data center caused issues that interrupted communication. basically, what they're saying there is that facebook's computers in their data centers, some form of setting change, configuration change stopped these computers from being able to communicate effectively with each other, and that is what caused the outage. so they're saying here it seems -- they're saying it's a glitch, not an attack. but still, they are being pretty slim on the details. one thing they did stress in this statement is that so far they have no evidence that any user data was exposed. but you're right, don, the timing of this is very interesting, and it will of course -- the company will have to investigate it. >> it was interesting. i think one of the most interesting posts i saw