"1. Provide education to everyone for free.
2. Help end world hunger by providing rice to hungry people for free."Play the vocabulary or other games, and "win" 10 grains of rice with each successful answer for folks worldwide who are hungry. It's a win-win site. Get smarter, help others. Check out this video to find out even more:
Video from http://youtu.be/j22rxwRE328; photo from the http://www.freerice.com/ website.