Steve Caplin dazzles Simon Rose with the latest tech news. NASA are using SpaceX to visit an asteroid worth $10 quadrillion. Twitter is to introduce an annual fee, but only in 2 countries. Amazon say they'll be delivering by drone by the end of next year. Adobe have developed a dress that changes pattern. Japanese scientists have discovered that drinking alcohol-free drinks reduces your alcoholic intake. There's a flat-pack electric car for €10,000. And a bricklaying robot will be able to lay 300 masonry blocks an hour, with no need for any tea breaks.
