China Big Brother, Uber "mais seguro", o pai do "fake Obama", facebook x mundo, Japão x terras raras

China man caught by facial recognition at pop concert http://www.bbc.com/news/world-asia-china-43751276 Zuckerberg barely talked about Facebook’s biggest global problem https://www.washingtonpost.com/news/worldviews/wp/2018/04/13/zuckerberg-barely-talked-about-facebooks-biggest-global-problem/ After Nine Years and Billions of Rides, Uber Says It's Now 'Getting Serious About Safety' https://gizmodo.com/after-nine-years-and-billions-of-rides-uber-says-its-n-1825223373 A massive, 'semi-infinite' trove of rare-earth metals has been found in Japan https://www.cnbc.com/2018/04/12/japan-rare-earths-huge-deposit-of-metals-found-in-pacific.html TED 2018: Fake Obama video creator defends invention http://www.bbc.com/news/technology-43639704