Well, 1) contributor doesn't always replace /all/ ads, 2) if you were ever to say, stop paying for Contributor... 3) in order to see what sites ad spots paid

Well, 1) contributor doesn't always replace /all/ ads, 2) if you were ever to say, stop paying for Contributor... 3) in order to see what sites ad spots paid for with contributor? Edit: "We use machine learning to pace how much of your plan is spent each day."