Just heard this phrase and my mind got blown. Its true. Some projects are that old and migrated so well from SVN to Git that they have a clean and accurate history spanning 20 years, and I'm sure you could find some truly horrendous and/or nice stuff if you start digging deep in git blame. For swear words.
The age of digital archaeology is upon us.
@lynne my FreeGuide project went CVS->SVN-Sourceforge Git->GitHub Git with history intact. https://github.com/andybalaam/freeguide/commits/master?after=deb611749ea0bacd3b9d0158709312001f65ed65+1644&branch=master
@lynne Another form of digital archaeology: https://www.vice.com/en_us/article/vbpdzm/minecraft-data-mining-reveals-players-darkest-secrets
@lynne I came up with that kind of as a joke, though if you adopt an accretive model of technological progress --- the new is a larger onion wrapped around the old --- there's a certain sense that emerges from older tech and tools.
GUI toolkits especially divulge their origins and times. OSes and applications tend to be quite typecast.
Revision/source control also.
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