Microsoft is giving away a $100 MasterCard gift card to the winner of a new contest, the Bing Maps Challenge, which involves checking out the new service and identifying famous places in New York City. Here's the scoop:

Following the Bing Maps beta tag removal, Microsoft has launched a Bing Maps Challenge to promote the new service. The contest gives people an opportunity to familiarize themselves with Bing Maps while navigating their way through New York City. Contestants are prompted to identify street names and intersections based on famous landmarks. By completing the quiz, contestants will be entered into a prize drawing for a $100 MasterCard gift card.  Check it out for yourself at http://discoverbingmaps.com/.

For more information, check out the Bing Blog.