"What we need, in other words, is a Facebook for collaborative decision-making: an app built to compensate for the most egregious cognitive biases and behaviours that derail us when we get together to think in groups."
I think what he's referring to may have already been proposed by Robin Hanson in the form of "Futarchy," a system of government that uses prediction markets to enact laws:
The sole reason I'd like to get leadership in some group with a goal is to implement futarchy and see how it works.
That said, there are other frameworks built to improve collaborative decision-making. I also like the Persian method: If an idea comes up while the group is drinking together, discuss it sober as well, and vice-versa. Only implement ideas that meet approval both times.
I think what he's referring to may have already been proposed by Robin Hanson in the form of "Futarchy," a system of government that uses prediction markets to enact laws:
http://hanson.gmu.edu/futarchy.html