01 What it is
People already know how to read a question box, a group chat or a tier list. The visual language is familiar, so the creative needs less explaining.
That familiarity reduces the mental effort needed to understand it and helps the ad feel natural inside a social feed.
Borrowing a format is the easy part. The format only carries the creative, so the message inside it still has to earn its place.
02 How to spot it
A creative that looks like something people already use: an Instagram question box, a group chat screenshot, a tier list, a recruitment poster.