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You'll get the most from this exercise if you explore it together. If you need a distraction, play with the puzzles.
Systems
Deterministic chaos – Double Trouble by Dirk Brockman
Exercise
Bring me a Letter part I
Bring me a Letter part II - 1
Bring me a Letter part II - 1
Bring me a Letter part II - 1
Bring me a Letter part III
Cycle tool
Nicky Case's Loopy (beta).
Puzzles:
31 33
This talk has been delivered at FiSTB in Sept 2016, for the Lyon Testers meetup in March 2017 and at TestIT in Sept 2019.
James Lyndsay, Workroom Productions
@workroomprds, +447904158752