Jack Dorsey’s new app wants to help you catch some sun — without the burn. The Twitter (now X) co-founder just launched a new iPhone app called Sun Day. It’s designed to track your UV exposure and ...

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

The Sun Day app, just out in beta, will prompt you on how to prep for being out and about. The founder of Twitter, Jack Dorsey, has a bright idea that he's released as a beta app: Sun Day, for ...

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 ...

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

Another day, another app from Jack Dorsey. The Twitter co-founder has announced an app called Sun Day just one week after ...

The new app called Sun Day tracks your UV exposure as well as Vitamin D levels. Last week, Dorsey introduced a new Bluetooth ...

Jack Dorsey has launched a beta version of Sun Day, an app that estimates sun exposure time and vitamin D levels using UV index, skin tone, age, clothing, and Apple Health data.

Twitter co-founder and erstwhile CEO Jack Dorsey has started yet another new app — and this one's got an embarrassing secret.

Being able chat with other people without internet connectionnor cell network, nor central servers. This is basically the ...