I forget what I read that it was called, but the new smart dropdown that tells you popular search terms that match what you have entered so far is gold as far as I am concerned. It is like I have struck a vein. Stay tuned! Does anybody else feel this way?
From there you can have better idea of what are the popular search terms and the competitiveness. It helps SEO staffs in certain level.
Yes i saw that few days back . I thought they were displaying top keywords and few minutes i keep typing my niche keywords in it .
It's just Google Suggest. They only started it last week. http://googleblog.blogspot.com/2008/09/update-to-google-suggest.html