almost completely finished first draft :-)

art/02_refactoring.md

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     helper methods on the model of
     interest.
 
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 [ 300-500ms page load times on critical controller ]
 
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 [ server load significantly reduced ]
 
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 [ improved code in tests in hot-spot areas ]

health2/01_health2.md

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+!SLIDE
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+    Case Study:
+
+      healthcare 2
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+!SLIDE larger
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+[ another clinical system ]
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+!SLIDE larger
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+[ practice management *and* clinical record ] 
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+!SLIDE larger
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+[ large-scale production app, with hints of "shanty town" ] 
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+!SLIDE larger
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+[ billing / claims system needs serious work ] 
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+!SLIDE larger
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+[ so much so that they are bypassing it and using a legacy system ] 
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+!SLIDE larger
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+[ so the bottleneck of interest is an isolated mud-field ] 
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+!SLIDE larger
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+[ which means we can approach it like a mud-field ] 
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+!SLIDE larger
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+[ site visit to get into the process & team ]
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+!SLIDE larger
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+[ ... and intensively review the domain model ] 
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+!SLIDE larger
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+[ one monolithic 100+ line model method ]
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+!SLIDE larger
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+[ generates all downstream billing/claims information ] 
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+!SLIDE larger 
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+[ zero tests on this code ]
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+!SLIDE larger
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+[ spike: used textual refactoring to "refactor" ]
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+!SLIDE larger
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+[ the spike was non-running, non-tested code ] 
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+!SLIDE full-page
+
+<img src="split_1.png" class="split1">
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+!SLIDE larger
+
+[ reviewed the spike refactoring with technical / business expert ] 
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+!SLIDE larger
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+[ converted the spike into specs ]
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+!SLIDE full-page
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+<img src="specs.png" class="specs">
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+!SLIDE larger
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+[ developed TDD from the spike-informd specs ]
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+!SLIDE full-page
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+<img src="reimplemented.png" class="reimplemented">
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+!SLIDE larger
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+[ impact: ongoing ]