What else can you find out?
On-line Advertising - (display advertising, pay-per-click networks, e-mail marketing)-Analytics you can tell:
The performances of your marketing campaigns, including AdWords, AdSense and emails and much, much more
Which keywords resonate with prospects and lead to conversions?
Which online ad or creative is the most effective? Which ads are driving the most visitors to your site
Are website visitors coming from advertising doing what you want them to do (purchase a product, filling in a form, register for a PDF, etc.)
Tell you not only which AdWords campaigns are driving traffic to your site but which campaigns are yielding conversions (and making you money)!