Zuck just got walked into a corner on affirmative permission for data sharing.
"Would you support a law to ensure that kids under 16 have a right to privacy?"
"Senator, I think that's an important principle."
"Senator, I'm not sure that we need a law."
Someone explained here yesterday that a properly "drawn" MAP can lead to fairly accurate predictions of the future, in that it can anticipate actions the opponent is highly likely to take in response to certain factors or events. In concept, that works.