The bottom line is unless you're Ken Jennings, this CD will make you smarter. This 2-disk set offers up a variety of information on topics such as world leaders, animal groups, math, and vocabulary. It's designed to be listened to during your daily commute, on trips, or while your working out. They even have a 30 day money back garauntee. So unless you are too stupid to learn, this will work. Do you know all the states and capitals? I did at one time. But international capitals I had no clue on. There are also fun facts like the top earning celebrities for the year. If you are always the one feeling left out of conversations because you don't have a clue what people are talking about or you want to increase your vocabulary, this is a good product for you. It's priced at $19.95, which isn't bad since it's a 2 disk set. And can you really put a price on knowledge?