23andMe is a company that examines your DNA sequences for a fee (USD 999 to be precise). Why would you want to do that? Besides the boring purpose of trying to predict which illnesses you are likely to suffer from in the future, imagine going to a party for geeks and the boasting rights that you will command!
Even if you do not have a spare 1000 buckeroos lying around for that genetic map, the website provides simple-to-understand flash animations explaining the intricacies of our genome. There are worse ways to spend the weekend.