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Sun Apr 1 19:15:54 EDT 2007

## separation of concerns and exponential growth

was thinking.. separation of concerns: hyperfactoring, whatever you
call it, is a means to move from linear -> exponential code dev..
once you can separate things into independent parts A x B, increasing
functionality in either will increase total functionality by the same
multiplication factor. if they are not separated, increase in
complexity doesnt translate to increase in functionality.
this is very badly explained, but i think i sort of hit a spot here.
compare the payoff of time invested in building independent/orthogonal
building blocks that can be combined, against the payoff of time of
tweaking a small part of a huge system. the added complexity
(information, code size) might be the same, but the added expressivity
(possible reachable behaviours) is hugely different. multiplication in
the first, and addition in the second.
it's the difference between adding a bit in state encoding
(exponential), and adding a state (linear).

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