Add Yahoo as a preferred source to see more of our stories on Google. Twitter and Block cofounder Jack Dorsey balanced running both companies with a rigorous routine. Dorsey's routine included ...

Financial tech firm Block’s stock surged as much as 20% in Friday trading after its billionaire CEO Jack Dorsey revealed plans for sweeping layoffs and a full embrace of AI tools. Dorsey, best known ...

Twitter co-founder Jack Dorsey stepped down as CEO from the social media platform on Monday, saying in an email announcing the move to employees that he was "really sad…yet really happy" about the ...

Soon after the news leaked to CNBC, the CEO tweeted that his time has come to an end. And Twitter's stock price is surging. Reading time 2 minutes Jack has resigned. This morning, the Twitter founder ...

Bitchat launched in July last year and has been used during protests in Madagascar, Uganda, Nepal, Indonesia and Iran as authorities attempted to restrict usage of the internet. Bitchat, a ...