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

The Sun Day app, out in beta, prompts you on how to prep for being out and about for your specific skin type and location.

Asian markets are mixed after U.S. stock indexes hit new records on Monday. Oil prices fell and U.S. futures were little ...

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

This marks the second new app Dorsey has launched in a week. But this one may especially appeal to Gen Z, whose tanning ...

Jack Dorsey, co-founder of Twitter, has launched a new app called Sun Day. This app helps users track their Vitamin D levels.

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

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

Jack Dorsey launches Sun Day to track UV exposure and Vitamin D intake, following his Bluetooth-based messaging experiment ...

Discover Bitchat, Jack Dorsey's decentralized app for private, offline messaging using Bluetooth, no internet needed.

On Sunday, Dorsey wrote on X that he had spent the weekend studying “bluetooth mesh networks,” which allow devices to communicate with one another without the need for Wi-Fi and other internet ...