Jigsaw: "wildly ambitious" Google spin-out aimed at tackling "surveillance, extremist indoctrination, censorship"

Technologists have a dismal pattern: when it comes to engineering challenges ("build a global-scale comms platform") they rub their hands together with excitement; when it comes to the social challenges implied by the engineering ones ("do something about trolls") they throw their hands up and declare the problem to be too hard to solve.