What happened to those quotes in the title? Anyway, reminder, while you're visiting ACM, that the entire Digital Library, including books, is free to download

What happened to those quotes in the title? Anyway, reminder, while you're visiting ACM, that the entire Digital Library, including books, is free to download until June 30, 2020: https://news.ycombinator.com/item?id=22794984 https://news.ycombinator.com/item?id=22794984 .