This article rings true. For example, I did not have a mobile, untill I went to university and then texts cost 10p each so you had to cram as much as possible into a text. If had started with unlimited texts there would not have been same need 4 txt lingo 2 cram < in.
https://www.sammichespsychmeds.com/micro-generation-born-between-1977-1983-are-given-new-name/
Wonderwall 