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

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 Sun Day tracks your sun time and vitamin D levels with open-source AI tools.

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

What has Jack Dorsey, the founder of Twitter (now X) been up to lately? Among other things, creating experimental little ...

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

Twitter cofounder Jack Dorsey used Goose, Block's AI code editing tool, to develop his new messaging platform. He says it ...

Jack Dorsey — Twitter, Bluesky, and Square co-founder and Bitcoin evangelist — is now taking on the world of private ...

Block CEO and Twitter co-founder Jack Dorsey wrote in an X post on Sunday night that he spent his weekend creating an app ...

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