Where small recurring losses compound.
The cost of doing it twice.

What the Friction lens looks at

Friction is not slowness. Friction is the cost of repeats. Retries after dropped context. Rework after misalignment. The half-hour every morning that six people spend rebuilding state in their heads before they can start the actual work.

It is invisible because no single instance is worth fixing. A two-minute recap. A re-explained customer ask. A meeting that exists to align on what last week's meeting decided. None of it shows up in a dashboard. All of it compounds.

Friction is the second of five lenses. Together with Throughput, it tests whether the constraint is in capacity or in transactional drag. The stage is not slow because it is overloaded. The stage is slow because every unit of work passes through it twice.

Signals that trigger this lens

• Every meeting opens with a recap of the last one, and the recap takes ten minutes.
• The same customer question gets answered three different ways across the team in the same week.
• Every new hire's first two weeks are spent rebuilding what the org already knows but never wrote down.
• Retros surface the same root cause every quarter. The fix is logged. The fix never lands.
• The same fire gets fought every six weeks. Different trigger. Same shape.

Sample constraint statements this lens surfaces

• "The team loses 4 hours a week per person to context-rebuilding between Slack threads and Notion. Friction, not capacity, is the constraint."
• "Sales-to-onboarding handoff requires 3 separate sync calls because nothing is captured in writing. The drag is at the seam, not inside either function."
• "Every customer escalation rebuilds the account history from scratch. The cost is one senior hour per ticket. Multiplied by ticket volume, that is a hire."

Why operators miss this

Friction is invisible because no single instance is worth fixing alone. A two-minute recap is not a problem. Forty-eight two-minute recaps a week, across six people, is a person. Operators look at the instance and conclude nothing is broken. The lens looks at the compound and names the cost.

How Friction interacts with the other four lenses

Friction is usually the witness that confirms or breaks a Throughput suspicion. If Throughput says the stage is the bottleneck, Friction asks whether the stage is capacity-limited or friction-limited. Often the answer is the second. The stage is fast at the work and slow at the seams. A real constraint shows up in at least three of the five lenses. If only Throughput sees it, you have a symptom. If Friction sees it too, you have a direction.