“They wanted copies of HHGTTG on campuses in the US, and they wanted people to read it and tell other people. Word of mouth is still the best tool for selling books.”Why free reading is important – Boing Boing
OK, I didn’t study in the US but…
I think that every campus bookshelf had a copy in the 90s, most of my copies “went missing” during that period; I must have purchased a news copy every year.