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 ...

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

Jack Dorsey, co-founder of Twitter, has launched his second app within a week, Sun Day, designed to help users track their 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 ...

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 ...

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

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 ...

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 ...