One method, five levels of responsibility
Every book applies the same four quadrants: Structure it, Understand it, Choose tools, Build it. What changes from Level 1 to Level 5 is who is affected when it goes wrong: at Level 1 only you, at Level 5 everyone who relies on what you run.
How to read the matrix
5 books
Swipe sideways to compare responsibility levels. Track names stay visible while you browse.
Govern & spread
Make it safe and make it stick
| Track | L1UserOnly you | L2Power userYour team sees a bad document or a wrong figure | L3BuilderColleagues depend on something you built | L4IntegratorCompany or lab systems and real data are in the loop | L5OperatorWork stops when it breaks, and it must survive you leaving |
|---|---|---|---|---|---|
| Track 12Security, privacy & governance | T12-L01Decide What You May Paste Into AI at Work | T12-L02Clean the Copy, Label the Result, Spot the Trap | T12-L03Give an Unattended Workflow Limits and a Stop a Colleague Can Use | T12-L04Lock Down a Self-Hosted AI Service Before Real Data Goes In | T12-L05Keep One List of Every AI System Your Team Runs, and Make It Survive You |
Every book keeps its address even while its title and content evolve.