Yahoo! mail has been posting this ad on the left side for weeks:
Go to the website, you’ll find it is an auto renewing monthly cell phone service of $9.99/month – in the small prints. But most people who don’t read small prints will be scammed into signing this up by providing their cell phone number in order to read the so called “IQ test results”.
As for the IQ test itself, it is 10 questions of the “who wants to be a millionare” sort, at the “$250 dollar” question range. Again, the small prints tell you that the test has no scientific base whatsoever. Basically, whoever naive enough to sign up for the IQ results by giving away their cell phone number should have their real IQ checked.