Cool as cucumber: The Tipline for 31 October 2023

Even the most hot-headed chief executives know that the best way to fend off accusations of wrongdoing is to play it cool, calm and collected. Google chief executive Sundar Pichai stuck to this brief when refuting claims he encouraged staff to delete internal messages, but even he had to concede the company saw the value in being a default search engine early. Today the tech company will be hoping for no last-minute Halloween scares as its expert, computer science professor Edward Fox, takes the stand.