Explore Jack Dorsey's transformation and the factors influencing his appearance, from Twitter stress to lifestyle choices. What's going on with Jack Dorsey?

Dorsey's initial investment has gotten the new nonprofit "andOtherStuff" up and running, and he worked on some of its initial ...

Twitter co-founder Jack Dorsey's Block, Inc. has integrated Bitcoin into several of its products, including Square.

Earlier this month, Block CEO and Twitter co-founder Jack Dorsey unveiled a peer-to-peer, Bluetooth-based messaging app he ...

Twitter co-founder Jack Dorsey's new app, called Sun Day, ostensibly helps users track UV exposure and vitamin D intake.

Jack Dorsey, the 45-year-old co-founder of Twitter, has announced he is stepping down as CEO of the social media company. Parag Agrawal, a 10-year veteran of Twitter and current chief technology ...

Twitter co-founder Jack Dorsey has released a new app that tracks your sun exposure and vitamin D levels. It’s his second app ...

Bitchat, a new decentralized messaging application created by Jack Dorsey, is now officially available to the public in the ...

Twitter began as an idea that Twitter co-founder Jack Dorsey (@Jack) had in 2006. Dorsey had originally imagined Twitter as an SMS-based communications platform.

Jack Dorsey, 38, the former CEO of Twitter and one of the founders of the site, is taking over once again as chief executive, according to an announcement today from Twitter.

Twitter co-founder and Block Head Jack Dorsey launched a new peer-to-peer messaging app over the weekend called Bitchat that runs entirely over Bluetooth. Bitchat relies on Bluetooth Low Energy mesh ...

The new Bitchat app, a Bluetooth messaging app by Twitter founder Jack Dorsey, has launched on the App Store, but there is a ...