This day in history
2003, 2008, 2013, 2018.
2 min readJan 21
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#20yrsago Recording industry needs collaborative filtering https://web.archive.org/web/20030410212626/http://www.shirky.com/writings/music_flip.html
#20yrsago Origin of spam https://www.templetons.com/brad/spamterm.html
#15yrsago Joel Johnson puts AT&T on the spot over copyright spying plan…