Every day, thousands of AdWords advertisers use Google Ad Planner to research websites and select where to advertise online. We're continuing to improve this tool in order to provide the deepest, most accurate insight into online audiences possible.

To that end, we've improved how Ad Planner calculates site traffic by over 10%, and we've changed its name to DoubleClick Ad Planner. Visit the DoubleClick blog to read more about the traffic improvements and the new name.

You don't need to be a DoubleClick customer to use the newly renamed DoubleClick Ad Planner as the tool remains free and open for everyone. You can continue to access it at: www.google.com/adplanner.

If you haven't used Ad Planner, we invite you to give it a try. We think you'll find it to be a powerful research and media planning tool that makes it easy to find your audience and create well-informed media plans.