Jack Dorsey, co-founder of Twitter (now called X), has developed ... Telegram and Signal being some of them. But Dorsey’s app called Bitchat* is promising something more advanced, reliable but equally ...

The. Jack Dorsey, a co-founder of Twitter, created the decentralized messaging app BitChat, which is already in beta testing.

Apple on Tuesday named insider Sabih Khan as its chief operating officer, taking over from Jeff Williams, as part of a ...