Jack Dorsey is shipping. On Sunday, the Twitter co-founder shared a link on X (formerly Twitter) to a new app called Sun Day, ...

Jack Dorsey’s Block Inc. joins the coveted S&P 500 on Wednesday, a symbolic milestone that puts the digital finance firm ...

Jack Dorsey, the chair and co-founder of the financial technology company Block, reportedly sent an all-lowercase email to staff members on Tuesday informing them of his plans to lay off more than ...

Twitter cofounder Jack Dorsey has some thoughts on the migration of users from X to BlueSky. He said people are "running away from X, rather than running to something on Bluesky." Bluesky saw a ...