Keyword Tool is now Keyword Planner integrated into Adwords. Google has combined the functionality of Keyword Tool and Traffic Estimator features to make it easier to plan your next keyword research project with their new Keyword Planner tool integrated into the Adwords account.
Keyword Tool will no longer be available and instead you need to log in into your Adwords account to access Keyword Planner. You can use Keyword Planner to find new keyword and ad group ideas, get