[misnome]

Coincidence is a less sinister explanation. You never take note of the adverts if they weren’t immediately relevant.

[api]

This seems like something that could be settled via some kind of study, like playing audio to the phone and recording what ads get shown and doing it to a population of phones and social media accounts.

[placeybordeaux]

You can also monitor the network traffic, audio takes up a decent chunk of data.

You can decompile the app and see what it does.

[Harimwakairi]

But that's so much less entertaining to speculate about! Why should obvious truth get in the way of our fun?