Google Keyword Planner

Google Adwords' Keyword Planner tool is a product from Google Adwords that provides data around the search queries that happen in Google and other resources for planning a Google Adwords specific advertising campaign.

Google Keyword Planner is a tool that helps to build new Search Network campaigns or expand existing campaigns. It will help you to get keywords and ad group ideas, historical statistics, keywords trend, competitions, bidding etc. This service is offered for free by Google.

Google recently released an update to the Google keyword planner and changes some of its policy by which you need to set your first campaign in order to get the keyword planner back. This is a type of Adwords account that is used by agencies and consultants to manage many different advertising accounts.

The data in the Keyword Planner's is:how to

...
Wikipedia