"Risk" has mutliple dimensions. But by over-optimizing on one kind of risk they completely dropped the ball on other risks. They also whiffed on the kinds of ri

"Risk" has mutliple dimensions. But by over-optimizing on one kind of risk they completely dropped the ball on other risks. They also whiffed on the kinds of risks that come from building a business based on the flywheel effects of a social network. Works great when times are good, but disastrous when tbe same effect works against you.