REDMOND, Wash., May 4 /PRNewswire-FirstCall/ -- Today at the seventh annual MSN® Strategic Account Summit, Microsoft Corp. (Nasdaq: MSFT - News) announced it is acquiring Massive Inc., the New York-based creator of a world-leading network for video game advertising, in a move that will help deliver dynamic, relevant ads across Microsoft's online services, starting with Xbox Live® and MSN Games. Massive's solution depicts brands in various forms within the game -- on soft-drink cans and pizza boxes, on billboards and posters, and in images on TV screens -- where gamers would expect to see them in real life, adding realism to the overall gaming experience. Massive employees will continue to work from their current locations, including their headquarters in New York and offices in London, Los Angeles, Chicago, San Francisco, Paris, Sydney, Cologne and Toronto. Financial details of the acquisition were not disclosed.