Not only does Wolfram Alpha give us all the data one may expect (Life expectancy, number of car accidents, unemployment, etc.), but it also has the sense of humor to answer such tricky questions like:
How many roads must a man walk down?

Not only does Wolfram Alpha give us all the data one may expect (Life expectancy, number of car accidents, unemployment, etc.), but it also has the sense of humor to answer such tricky questions like:
How many roads must a man walk down?