"And the nature of these attacks, though, is that there are people in Russia whose job is to try to exploit our systems and other internet systems, and other systems, as well. So this is an arms race, rightIJ I mean, they're going to keep on getting better at this, and we need to invest in keeping on getting better at this, too, which is why one of things I mentioned before is we're going to have more than 20,000 people, by the end of this year, working on security and content review across the company," he said.