The next killer smartphone app has arrived — and it offers the potential to transform how we communicate, share knowledge and even make new friends. I am talking about voice-and-audio-based social networking startup Clubhouse. Its platform enables users to drop in and out of ephemeral chat rooms and take part in a range of gatherings, from small “water-cooler” type conversations ...

At her confirmation hearing, Treasury Secretary Janet Yellen said many cryptocurrencies are used “mainly for illicit financing, and I think we really need to examine ways in which we can curtail their use.” Although her written testimony says the government also needs to “look closely at how to encourage their use for legitimate activities,” it seems clear: More regulation of ...

The Covid-19 pandemic has seen a series of clashes in the UK between Boris Johnson and a bighearted 23-year-old soccer star called Marcus Rashford who campaigns to end child poverty. There’s only ever one winner in a sporting contest — and it’s not the prime minister, even with an 80-strong Conservative majority in the House of Commons. Johnson has joked ...