Back in the olden days, it was “here is my product, and this is the price, if you like it buy from this store”
When exactly are these olden days you refer to? I ask because most “modern” advertising practices have long-since been in place for over a century now; the only things that’ve changed are the delivery method and frequency.
Wow, that audio is super unsettling. On its own it would seem innocuous, but with the context of trying to contact somebody in a country that’s on the verge of being nuked, it’s downright horrifying.