Why you should maintain old URLs

Below is a message from the thanks file on my SE Linux play machine [1]:

Hello from San Juan, Puerto Rico!
I just found out about this server by reading the SELinux book from O’Reilly. The book is pretty old (2004) and I’m glad to know the URL provided on the book still works!
All the best,

I had forgotten that the URL was included in the book.

2 thoughts on “Why you should maintain old URLs”

  1. Dude. I bought my daughter a copy of the 30th anniversary edition of The Princess Bride. In it, the author refers to a url where he has published an edited version of a scene. It is now pwned by squatters.

    *le sigh*

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