> (...) acts as a weird sort of crowd-sourced centralized documentation for programming languages. I see it more as an expert system where problems and their s

> (...) acts as a weird sort of crowd-sourced centralized documentation for programming languages. I see it more as an expert system where problems and their solutions are documented in a queriable way. What stack overflow offers is more than your run of the mill documentation. It leaves a paper trail of weird corner cases and their workarounds.