What does "original_referer" mean?


Hi! I have been creating a twitter button for my sites following the standard web intent protocol. However I can’t see what the “original_referer” part does in this… No matter what I put there, I see no difference in the published tweet to one that has been published without that part. So, what does it do exactly and how would a basic URL post using it look, as I’d like to make sure that I am using it correctly in the first place?


Maybe the only difference by using original_referer is the “go back to the last page” link after submitting the tweet. But this link/page is displaye only 1 or 2 seconds…