For example, CD9, P911, MOS, and POS all mean “parents are nearby.” They’re used to quickly change the topic or switch to a different app.

The messaging feature lets you discuss your favorite songs, audiobooks, and podcasts while staying in the app.

We are taught to think of language as words strung together with grammar. Words evoke specific referents: “apple” refers to the fruit, “yesterday” means the day before today. Then grammar provides the ...