I have been arguying with a developer who insists that 1 FR=1 UC. I think that is a non sense as there are requirements often describing situations arising from the same point - for this the use cases ...
What kind of use case it would be for to "show ad in part of the view"? Who could be the actor to relate with? User or System? As user has no specific goal to see ads, i am wondering what is the best ...