This document discusses how to improve Quality Score in Google AdWords to increase advertising effectiveness and lower costs. It explains that Quality Score is a numerical rating of ad quality that affects ad ranking and pricing. Higher Quality Scores result in lower effective costs through discounts. The document provides tips for improving Quality Scores such as optimizing click-through rate, ad relevance to keywords, landing page quality, and using tightly targeted ad groups. Reaching out to an AdWords specialist can also help address any Quality Score issues.