Google Advertising Tools: Insights for Search, Ad Planner, Trends for Web Sites

Google's Insights for Search launched today.  Described as an extension of Google Trends, Insights for Search has a number of features that marketers will find of use.

Danny Sullivan shares a quick demo of Insights for Search.

Also from Danny Sullivan:
Google Ad Planner Launches, Offers Site Demographic Profiles
Google Trends Comes To Web Sites: Trends For Web Sites