Block CEO and Twitter co-founder Jack Dorsey has launched a new app that gives users a rough idea of how much exposure they’ve had to the sun. Dorsey shared the “Sun Day” app to his followers on X on ...

Twitter co-founder, Jack Dorsey, has released a new app that tracks sun exposure and vitamin D intake The new app is already available on TestFlight on iOS, and its code is also on the open-source ...

Jack Dorsey has been back in the news lately after unveiling a pair of new apps he worked on, Bluetooth-based messenager Bitchat and UV exposure tracker Sun Day. The Block CEO put those together under ...

Twitter cofounder Jack Dorsey is back with a new app that tracks sun exposure and vitamin D levels. Sun Day uses location-based data to show the current UV index, the day’s high, and additional ...