- Claude Code as a programming aid. - Fastmail for email. - FacileThings as a personal management system. - Obsidian with a personal knowledge system (you need to subscribe if you want your notes synced across all your devices). - Office 365, even if it's just to sync all your files with OneDrive. - Apple Music.

This is a compilation of the principles that I consider most important to understand how we function in the aspects that most influence our personal productivity. What would you add?