Good thing WP has a link to the https://en.wikipedia.org/wiki/Phone_book https://en.wikipedia.org/wiki/Phone_book entry in that article; a lot of people nowaday

Good thing WP has a link to the https://en.wikipedia.org/wiki/Phone_book https://en.wikipedia.org/wiki/Phone_book entry in that article; a lot of people nowadays probably don't know WTF that is... I'm not middle-aged, I'm from the Middle Ages. (Works better in Swedish: Jag är inte medelålders, jag är medeltida.)