Briefly, there are giant robots, Schroedinger’s social media (will it doom humanity? will it save us?), and some really loveable yet flawed young characters. This was light, prepossessing, uplifting, and an excellent commentary on our present moment. Hank Green writes this love letter to the digital age by asking us all how we plan to face global problems of a pressing nature: with all of humanity at our side, exercising trust and kindness, or with fear? - a.c.