Twitter co-founder Jack Dorsey developed Bitchat, a privacy-focused messaging app that works offline via Bluetooth without requiring email, phone numbers or personal data.
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 details like cloud cover, sunrise, and sunset times.
Kurt Wuckert Jr. shows how intelligence agency officers, military, banking, finance, and government officers aren't a monolith, just as small blockers.
Jack Dorsey, co-founder of Twitter and Square and founder of Bluesky, is back with another app. This time, it's a decentralized messaging app that doesn't rely on the internet.