1. An interactive feedback client related to a triggering web page, comprising: a. a page content display module configured to display a content region from the triggering web page; b. an author-feedback submission module that includes: i. a candidate-ad display element configured to receive a candidate ad from an ad server, wherein the candidate ad has been matched to the triggering web page by a contextual ad-matching method; and ii. a decision submission element, configured to solicit pair-quality feedback on the candidate ad-triggering web page pair.