Hacker News Reader

> They have a real technical solution to a real problem and are making their money by charging people for a service that is worthwhile enough to pay for.

Are you referring to the $20 English certification? There isn't anything else that they currently ask their users to pay for.

View on HN

CMIIW Duolingo has a paid crowd-sourced translation service.

Of course, user who "only want to learn" can "always learn for free"

Per the article, the translation service has been mostly ended. CNN are still using it, but they're not taking on new customers for that side of the business.

Reply on news.ycombinator.com