PubMatic QUARTERLY GLOBAL DIGITAL ADVERTISING SPEND TRENDS: 04 2021 Q4 2021 Advertising Trends By Industry Vertical DOWNLOAD NOW PubMatic's Quarterly Ad Spend report was created to provide both publishers advertisers with insights into the changing trends of the advertising industry: Here are the key digital trends from 04 2021'*s advertising spend data. About Cookies On This Site We use technologies to personalize and enhance your experience 0n our site. Visit our Privacy Policy to learn more or manage your personal preferences in our Tool: By using our site, You agree to our use of these technologies: Understand and