Greenhalgh, CharlotteCorbould, Clare2026-10-272026-10-272026Greenhalgh, C., & Corbould, C. (2026). Introduction:. In The Social Survey in Global Perspective, 1900-2020s (pp. 1-16). Berghahn Books. https://doi.org/10.2307/jj.33769136.7https://hdl.handle.net/10289/18721The technologies and methods of twentieth-century social surveys are ubiquitous in the early decades of the twenty first century. Today, private companies, political campaigns and news organizations poll, survey, interpret, publicize and monetize the opinions of so-called ordinary people. Notably, people’s opinions drive their engagement with large social media platforms and generate profits for global businesses. And yet, the methods used and people who seek to quantify public opinion are often disconnected from the histories of these practices.enThis is an author's accepted manuscript of a chapter from the book The Social Survey in Global Perspective, 1900-2020s. © 2026 Berghahn Books.Introduction - From door to door to digital: The evolving social survey in the making of modern knowledgeChapter in Book10.2307/jj.33769136.7