i wrote a thing about this 12 years ago: http://joshua.schachter.org/2009/04/on-url-shorteners http://joshua.schachter.org/2009/04/on-url-shorteners (hn discuss

i wrote a thing about this 12 years ago: http://joshua.schachter.org/2009/04/on-url-shorteners http://joshua.schachter.org/2009/04/on-url-shorteners (hn discussion here: https://news.ycombinator.com/item?id=545565 https://news.ycombinator.com/item?id=545565 )