Google teams up with iPrint.com to offer free Google profile Business Cards to the first 10,000 people. Each person can avail a set of 25 cards that shows the Google.com home page with their Google Profile URL underneath it in green. Google said that the cards will arrive in 10-12 days. You need to create an account on iPrint.com to place the order, or login to an existing account with them if you have already have one.
If you are logged in to your account you can see that offer available on the top of your profile. Alternatively you can also access it here http://www.google.com/profiles/me/bizcards
Note: The offer is currently available only to the continental US users.
So if you are in the US what are you looking for go and grab one Google Business Card for you ;)