To give a few examples: what if a college student made a web page that had pictures of her then-current boyfriend, but later wanted to take it down and “tear it up”, yet it lived on in digital archives (whether accessible or not).
The original format consisted of over a hundred html files. A few html files and pictures were lost to time, these were not inlined and can be detected by the missing files. WHY ADVANCED PROPULSION IS NECESSARY One might be inclined to wonder why advanced propulsion is necessary.