https://en.m.wikipedia.org/wiki/I_know_it_when_I_see_it https://en.m.wikipedia.org/wiki/I_know_it_when_I_see_it When Microsoft put live tiles and telemetry in

https://en.m.wikipedia.org/wiki/I_know_it_when_I_see_it https://en.m.wikipedia.org/wiki/I_know_it_when_I_see_it When Microsoft put live tiles and telemetry in Windows, whoever signed off on that knew they were crossing a line. It doesn't need to be defined that strictly. The OP talks about FM radio adverts. An announcer telling you that a new song like, exists, could be construed in some sense to be an advert, just as my profile telling you that I am indeed a software developer could be. But that's not really what's pissing people off and abusing their attention here.