Crowdsourcing: Key Concepts

This lecture introduces the concept of crowdsourcing, focusing on key aspects such as the ESP Game, human computation, and the rise of crowdsourcing as a new form of labor. It covers the categorization of crowdsourcing systems, understanding crowdsourcing work, and its applications in citizen science. The lecture also explores the key ingredients of crowdsourcing and problem-focused categorization, showcasing real-world examples like SeeClickFix and Innocentive. Additionally, it delves into the connections between crowdsourcing and social media, highlighting how social media platforms serve as implicit crowdsourcing channels. The lecture concludes with a discussion on crowdworkers demographics, including their gender distribution and household income levels.