"Women systematically underestimate themselves, " Sandberg said, noting that men typically attribute their success to themselves while a woman says, "So-and-so helped me."

No doubt, in the future, these agents will acquire some sub-sub atomic label; just as, presumably, whole classes of angels have been replaced by photons and quarks.

"We now see weekly reports of cyber attacks against businesses, institutions and networks used by people going about their daily lives," he said.