I think its important to know how to use it since broad exact and phrase match give different volume results. I'm not sure how to interpret that.
You noticed it and I did too as well as several others I know. Unfortunately if you compare Google results with popular KW tools like Wordtracker, KW Discovery and Keyword Elite the numbers are completely off!! They are not even close. This addition to Google's tool will cause problems for the KW Tool Biz. Bloggers are all ready disecting and posting the data problems. When emailing Wordtracker regarding the difference in numbers a friend of mine was informed that Wordtracker has no actual access to Google search data and gave some lame algorithm they use to get the data. WTF???? Go ahead and compare some popular search terms the difference in numbers is staggering.
Yes There is Huge different between Word tracker and Google results but I have got a good success on google by following the keyword tool results. So the results from Google might bit be accurate but they are pretty close. Word tracker is good but If google unveils the keyword tool then I doubt if any one will follow word tracker for success on Google.
Who has had success with their research through this new change to the Google tool? I have developed two new sites which I know will rake it in.