Amazon Mechanical Turk

Global crowdsourcing platform offering microtasks for AI training data, content creation, surveys, and app testing, acqu…

Global crowdsourcing platform founded in 2009 offering microtasks including data entry, content moderation, surveys, AI …

Micro-freelancing platform (formerly Picoworkers) founded in 2011 offering microtasks and freelance gigs for a global wo…

Two-sided click service: businesses pay for real-human clicks on their Google results; clickers earn $0.05 to $0.10 per …