This document provides an introduction to real-time bidding and test datasets for computational advertising. It discusses the differences between premium guaranteed and real-time bidding advertising models. Real-time bidding involves an automated auction process where advertisers bid on ad slots and the highest bidder wins. The document also describes the iPinYou large-scale real-time bidding dataset, which contains logs of bids, impressions, clicks and conversions from a major Chinese demand-side platform.