The document discusses the costs of interruptions and distractions at work. It notes that interruptions stop work to respond to something, while distractions take attention away from the current task. Research shows it takes an average of 11 minutes between interruptions to fully refocus, and interrupting tasks can reduce productivity by 40%. The document calculates monetary costs of specific interruptions based on lost productivity. It suggests using a tool like UpdateZen to record status updates in one centralized place to reduce interruptions and rework from multiple updates through different channels, allowing workers to focus more and be more productive.