US8788336B1
patent
(2012.01) An advertiser may be provided with fast and accurate esti mates of the future cost and/or performance information for one or more actual or hypothetical ads (generally referred to as “proto-ads'). Past auction information may be used to simulate auctions that the proto-ad would have competed in. The proto-ad may then participate in a “replay of Such past
40 claims. 81,047 characters of text.