At innocent, we have spent almost nine years perfecting the art of writing rubbish on the side of our bottles. Thankfully, this work has now been recognised in a breakthrough study by some smart people in Germany, who have analysed something called 'text reception data' and a few other things.
I should at this point issue a disclaimer - I was interviewed by one of the authors a while ago. But I didn't mention metadiscourse or comparable monolingual texts. I didn't feel it was the time or the place.
Yet they seem to have crept into the final document. C'est la vie, as they say in Germany. Read more about it here - 'An English – German Translation Analysis of Persuasion on Packaging Texts'. Go on.