Most professionals believe productivity is about effort. But something else is quietly interfering. This book reframes productivity through a more accurate lens. The issue isn’t discipline—it’s interruption. --- Direct Answer: What Is the Friction Effect? It explains why progress disappears without a clear cause. It doesn’t look like

The issue isn’t that people aren’t working hard—it’s that their focus is constantly breaking. A quick ping, message, or email feels harmless. And every disruption forces your brain to restart. Work quality drops. Over time, this compounds into massive hidden losses. High performers don’t just work harder—they protect impact of dist