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

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 has launched Sun Day, a new iOS app that tracks Vitamin D synthesis using real-time UV data. The app estimates ...

Twitter co-founder Jack Dorsey’s new app Sun Day tracks your sun time and vitamin D levels with open-source AI tools.

Jack Dorsey has launched Sun Day, an iOS app that tracks UV exposure and estimates vitamin D levels based on location, skin ...

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

The app is open source, with its code published on GitHub, and it’s the latest in Dorsey’s experimental “weekend builds” — ...

After launching Bitchat, the WhatsApp rival, Jack Dorsey has unveiled Sun Day, a new app that tracks sun exposure and vitamin ...

Named Sun Day, the app tracks UV exposure and vitamin D intake for users at their location. It is currently available via ...

After launching Bitchat, Jack Dorsey has introduced another experimental app called Sun Day, designed to track users’ sun ...