On October 29, 1969, the internet era began as UCLA Computer Science Professor Len Kleinrock sent the first message on ARPANET, a network of computers that would evolve to become the internet. Five decades later, and 30 years since the World Wide Web brought the internet into the mainstream, global digital connectivity has fundamentally changed our world. Marking the anniversary, our founder and inventor of the web, Sir Tim Berners-Lee, said: “It’s astonishing to think the internet is already half a century old. But its birthday is not altogether a happy one. The internet — and the World Wide Web...