Facebook was forced to shut down one of its artificial intelligence systems after researchers discovered that it had started communicating in a language that they could not understand. The incident evokes images of the rise of Skynet in the iconic Terminator series. Perhaps Tesla CEO Elon Musk is right about AI being the biggest risk we face.
Tesla's market value has overtaken that of Ford after shares in the electric car maker added more than 7%. At the close of trading Tesla had a market value of US$49bn, compared with Ford's value of US$46bn.