FreeRice.com

Many of you have heard the phrase “Knowledge is Power,” but what about
“Knowledge is Philanthropy?” At freerice.com, your intellect and breadth of vocabulary allow you just that, the opportunity to give.

By simply playing word games, freerice.com gives you have the ability to donate an unlimited amount of rice grains to the United Nations World Food Program (WFP.) The process is simple. For every correct answer you submit 20 grains of rice is donated, for every 5 correct answers 100 grains are donated, and so on and so forth. No risk, just reward.

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From the Upcoming ueue, submitted by whitespace.