I'm suprised no one has made mention of this yet.
Google, launched
Google insights for search yesterday.
Apparently it's a tool aimed towards marketers and advertisers.
I won't be explaining in depth as to what the tool can do (Check it out for yourself

)...but concisely put, this is like gold for affiliate marketers..
Would love some feedback.
Regards,
(The program is still in beta, so as you preform your searches errors will likely ensue)