Yesterday I attended Google Analytics Management Class (GAMC), not sure I read it correctly. The speakers does very well to introduce what are the features that Google Analytics can be found using this tools.
Other than using the tool to analyst your visitor, you also can use it to perform the following:
1) Analyst your page optimization
2) What is the latest trend and what are the keywords that surfer using to find the related topic
3) Analyst your page problem, which level that causing your visitor to quit
And many many more. Let me recap the notes and I will come back with more details articles.