It's a funny and educational game.
Thanks to my online dictionary and my luck (sometimes the dictionary doesn't know the word either and I have to guess, but it's very often the right word) I managed to scrape some grains together.
Total FreeRice grains earned for 2007: 12,255,121,230!
That's approximately 422,590 lbs. of long rice donated for only 3 months that the game has been up (FreeRice started on October). That's astounding! Let's see if we can top it off at the first quarter of 2008