In the antitrust trial of the century, the US Justice Department has filed for tech giant Alphabet to separate from its Chrome browser, which is used by around 3.5 billion people globally. It's also asked the District of Colombia judge to rule that if Google continues with monopolistic misconduct, it could also lose its Android mobile phone operating system as well. In this business bulletin we take a closer look at the story, as well as Nvidia's earnings call, Australia's social media ban and French President Emmanuel Macron's defence of cognac.