It is true... Google has kept the following criterion's : website must be your own top-level domain (www.example.com and not www.example.com/mysite). domain must have been registered and active for at least 6 months before you apply for AdSense. must provide accurate personal information with your application that matches the information on your domain registration. website must contain substantial, original content. You can find more details and application tips at https://www.google.com/adsense/support/bin/answer.py?answer=75109.