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Awesome! HBO's Soprano's site is using the Google Maps API.

From the NYT:

Longtime viewers of HBO's "The Sopranos" know there are many places in New Jersey to dump a body. And in one of the first marketing efforts to use Google's map technology, HBO would like to show you exactly where those are.

To promote their upcoming season of "The Sopranos," HBO, a division of Time Warner, and Deep Focus, an online marketing agency, have created an interactive map of New Jersey, using satellite maps from Google, and have highlighted important points of the most recent season's storyline. The map has about 15 icons in specific areas where scenes took place. When the user clicks on an icon, the scene plays in a pop-up window, which also supplies a description and a list of characters.