Addicting games such as Angry Birds and Candy Crush are great to pass the time or to avoid doing work, but what about using that time to play a game that expands knowledge, increases vocabulary and helps feed the world? Does that sound too good to be true? Free Rice rewards right answers with food donations. With each correct response given, ten grains of rice are donated to a starving population. What better way to procrastinate and look busy while at work? Check out the full article below.