You ever wonder how Google is able to figure out just what the heck you're talking about when you search for "blue album cover" and you're not talking about the first Weezer album? Google is able to use your previous search, as well as a plethora of other sources, to predict what it is you are most likely trying to find. Pretty cool stuff, once you get past how uncomfortable that may be.
The vast majority of analytics software is going to be consumed within another application, rather than exist as a stand-alone application. Recognizing this fact, analytics application vendors are racing to deliver robust sets of APIs around their applications that make it easier for developers to embed those capabilities within their applications.