I spoke at #SwiftLeeds 2026 about a question most apps ignore: what happens when the internet doesn't show up? 🎤
Talk: Peer-to-Peer Sync, Building Offline-First Apps That Talk to Each Other
Two phones a metre apart usually can't share data without a server. They can sync directly over the local network instead.
Live demos: Pong and a Kahoot-style quiz phone to phone with zero internet, plus a retail app syncing across Android, iOS and web
@Veganhindu7 None of the international Aqi instruments measures above 500 readings. He has just made a custom solution for Indians which may seem like it's showing hyperinflated numbers but it's actually true ☠️
Diwali in Delhi is an IQ test nobody signed up for.
High IQ: bursting crackers to unlock the 1000 AQI achievement. Low IQ: hiding indoors with purifiers on max, selfishly protecting their lungs. Lowest IQ: needs this tweet explained.