Sounds like the beginning of a short story by Greg Egan.
In-app purchase required to get them back out.
Sorry, ma’am, when the microbot system entered your husband’s nose and initiated search-and-destroy mode, they erroneously chemically shredded your husband’s brain. We sent you a 5% discount for your next procedure.
and a bill to cover the damage your husband’s brain did to our tools
Have a stuffy nose?
Allergies?
Try snorting swarms of robots up your nose, melt the mucus and clean your sinuses.
Snorting swarms of robots is an easy outpatient procedure.
Snort them directly into your sinuses.
You will certainly not regret snorting swarms of robots up your nose.
Can’t wait for my perfectly melted brain dripping out of my nose.
I’ve seen those episode of black mirror thanks.
So cotton buds bad?
Will they take cool pictures for instagram?