Microsoft announced a new feature that advertisers can use make their search marketing ad management easier with Microsoft adCenter. The tool is an adCenter add-in for Excel. It will allow you to:

• Easily extract keywords from any website, just by entering the URL
• Quickly understand keyword popularity and trends
• Gain valuable insight on the demographic and geographic information of actual search queries

Some advertisers already got a preview of this tool and they had the following to say at a WebmasterWorld thread:

I've seen this in action... IT'S VERY NICE. I'd suggest getting on the beta asap.

I just got a long demo on the new Microsoft Keyword Research Tools at Pubcon, and it's extremely powerful.

Forum discussion at WebmasterWorld.