Jack Dorsey’s New Sun Day App Claims to Keep Safe in the Sun

Block CEO and Twitter co -founder Jack Dorsey launched a new application that provides users a rough idea of how much exposition they had to the sun.

Dorsey Shared The “Sun Day” app for its followers on Sunday x, which, according to He “calculates vitamin D synthesis from UVS exposure using a multifactor model based on scientific research.”

Beta version available via Testflight

It is available via Apple Testflight, which allows developers to test beta versions of their applications and application clips to get feedback from users before the official release.

The application uses localization services to monitor the current UV index and estimate solar radiation based on the user’s location. It also asks for age, type of worn clothing and individual skin tone.

This also faces in additional data from Apple Health App and Historical Data, such as Vitamin D records.

“The aim of the application is to provide personalized and accurate estimates while staying conservative for security,” says her white book.

The solar day requires the work of manual entry

The application requires the user to manually enter data. Users will have to click the button when they are exposed to the sun and again as soon as they are back in.

“[…] It is not looking for light. It’s a manual on/off the switch, ”Dorsey said In response to the user’s question on x, explanation To another that the application records after each session.

There are also several improvements for the future. White paper gives a list of more accurate calculations based on height and weight, along with seasonal modifications and real blood tests of vitamin D.

Dorsey’s second application in two weeks

Last weekend, Dorsey launched a beta version of the new decentralized service for sending peer-to-peer reports known as Bitchat that runs completely through Bluetooth.

At that time, he said that his weekend was spent on “Bluetooth Mesh networks, relays, shops and forward models, encryption models of messages and several other things.”

Related: Jack Dorsey is pushing a signal to accept Bitcoins payments

On Sunday in Dorsey’s post said A user who asked if the application application was part of the plan to flood the market and find out what is holding “no. I’m learning”.

Also revealed That he used an assistant to create artificial intelligence, Goose.

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