Why do some of you do this?

U post promo codes
Then when someone uses it they tell you which one try used.
I'm just wondering howcome ppl say which promo code they used. Do u have to manually deactivate them? Afaik they deactivate themselves. I could be wrong.
Then when someone uses it they tell you which one try used.
I'm just wondering howcome ppl say which promo code they used. Do u have to manually deactivate them? Afaik they deactivate themselves. I could be wrong.

Comments
That makes sense! Cool thanks