You didn't lose your focus. Your phone gave it away - and it's been doing it for years.
The average smartphone sends over 80 notifications a day. You've probably tried turning most of them off. And if you're like most people, it helped for a few days, then you missed something important, and by month two you were right back where you started.
Notification Overload: Solved isn't a book about willpower or digital detox. It's a practical system for deciding exactly what gets access to your attention - and configuring your devices to enforce that decision automatically.