So there's a new row in the buyer stats that lists "total vendors". How does SR know how many unique vendors someone purchased from more than a year ago if they delete or anonymize the individual transaction data after several months? In order to show this number, SR must save the buyers and vendors involved in each transaction, which along with the price (and thus probably product), means they have been saving all the info about every transaction, since the beginning of the market. Unless DPR has been aggregating this info on a monthly basis because he predicted more than a year ago that he would add this feature?