How to summarize one hundred years of the fastest, most extreme change ever? From Mussolini to Berlusconi, FDR to Obama, Hitler to Merkel, Gandhi to Martin Luther King Jr., Amelia Earhart to 747s. Typewriters to computers, encyclopedias to Wikipedia, telephones to smartphones, walks in the park to runs on treadmills. Penicillin. The Second World War. Hiroshima. Korea, Vietnam, Iraq, Afghanistan. The Cold War, an agreed end, another cold war brewing. Walls falling, walls built. New nations created out

