Google adword Keyword Suggestion is a very useful tool in keyword research. I’m using this religiously whenever I want to post something.
the keyword analysis is the most important part of the seo the keyword is the import traffic to bring traffic toward your site we use the Google ad word tool and do the keyword analysis
But dear member we can't depend totally on keyword tool, It's good to take idea for the current position of the keywords you are searching and you may come to know other more relative keywords regarding your targeted business.
Ya effective, i am agree but I feel a bad experience of result variation many times. It sure less the trust.