Library/Leak 15
Context switching and fragmented attention
Attention fragmented by interruptions, notifications, or a schedule with no protected blocks. The cost is not the interruption's length but the roughly 23 minutes of refocus it costs afterwards.
How you know you have it
“How many uninterrupted blocks longer than 90 minutes do you actually get in a week? What breaks them?”
What kind of leak it is
Does it need your judgment?
A mechanical touch is an automation candidate: nothing is being decided, so a machine or a rule can hold it.
How to measure it
Annualized the same way everywhere: duration × frequency × people × 52.
Typical range — illustrative
An order of magnitude to prime your eye, not a statistic and not a claim about anyone's result. The only number that matters is the one you measure.
The move — Eliminate
Where it lands in a Time P&L
How long a fix takes
What to do about it