Mikko Hypponen

It's not publicly known, but antivirus companies co-operate all the time. On the surface, antivirus vendors are direct competitors. And in fact, the competition is fierce on the sales and marketing side. But on the technical side, we're actually very friendly to each other. It seems that everyone knows everyone else.

You can get the best locksmith in the world to design the best lock he can design, is it pick proof? No, it's not: it can be very hard to pick, but it is pickable. Because you can get, say, the next 10 best locksmiths, and give them unlimited money and time, they will figure out a way to pick it.

The moral was, in time of anarchy, tough leadership is the only solution - even though the collateral damage may be heartbreaking. Mrs. Thatcher's strident, take-no prisoners approach was in some ways repugnant, but it was surely necessary.

Mostly we're motivated to control ourselves in public. Mostly. At home the motivation is much less clear. At home there's a bit of a lab for bad behavior. You can test things out without terrible consequences. Or maybe the consequences are there, but they are deferred, buried, much harder to detect.