Have you ever wondered what the biggest productivity killer for developers is? There are many, but one stands out—and it’s often underestimated. Every time you

Have you ever wondered what the biggest productivity killer for developers is? There are many, but one stands out—and it’s often underestimated. Every time you send someone a “quick” Slack message, it costs that person 23 minutes of productive work, and that's just the beginning of the problem. I’ve worked with development teams for over a decade, and we consistently underestimate the disruptive nature of interruptions. This article explores why context-switching is so costly and how to manage it effectively.