It is a hugely ambitious - some might say megalomaniacal - project to create a new global currency.
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Amazon is being sued over its smart assistant's recordings of children.
Facebook has said it won’t remove a doctored video that makes Democratic leader Nancy Pelosi appear incoherent. One upload of the clip has been viewed more than 2.5 million times - and remains visible.
Amazon’s warehouses will always need human staff, the firm’s chief robotics technologist has told the BBC.
Microsoft has deleted a massive database of 10 million images which was being used to train facial recognition systems, the Financial Times reports.
China's latest message to its people: The United States is evil -- don't go there
Amazon has said it will use drones to deliver packages to customers “within months”.
The US government is to take a fresh look at how the four tech giants Google, Facebook, Apple and Amazon wield their power.
Apple has announced that iTunes is to be replaced by Apple Music, Apple Podcasts and Apple TV.
President Donald Trump called out a New York University former political science professor who misquoted him on Twitter.