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Improve Your Vocabulary While Fighting World Hunger
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Check out Free Rice!
This is an interesting and innovative idea for a charity website. They challenge your vocabulary using an algorithm that asks questions appropriate to your verbal skill level, keeping things just difficult enough to keep you learning. Each time the page refreshes, they get advertising revenues from the three ads at the bottom of their page, which they translate into grains of rice to be donated to the United Nations World Food Programme.
Permalink | | Categories: science, sustainability
