Vainu is a startup which is building a comprehensive database of companies around the world that helps businesses find contractors to work with. For this to work, people need to read through hundreds of thousands of business articles scraped from the internet and label them accordingly.This labeled data is then used to train an algorithm that manages the database.

For labeling in Finnish language it is using prison inmates in Finland and paying them Amazon’s Mechanical Turk wages. The department overseeing the prisons however decides how much money is paid to inmates and who would be fit enough to do the job.

Finland also has the most liberal prison and correction systems in the world.

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