In another edition of 'The Emperor's New Clothes' in Silicon Valley, today we have a new app from genius founder Jack Dorsey.

Following on from Bitchat - which uses Bluetooth to allow for close-proximity chatrooms, Dorsey has now invented a "Sun Day Tracker" app.

From The Verge:

Twitter co-founder Jack Dorsey has released a new app that tracks your sun exposure and vitamin D levels.

[...]

You can detail your skin type and clothing level, then manually toggle when you’re in and out of the sun and the app will track your rough vitamin D levels for the day, along with how long you can be in direct sunlight without burning.

In the same way that I don't understand AI music (we already have so much real music that it's impossible to listen to it all), now we have vibe-coded apps that...are just apps with extremely limited utility. If you have to manually toggle it every time you go outside, and then trust that the calculations are correct, how accurate could this possibly be?

Maybe it's just the Southern Hemisphere Winter getting to me.