NEW YORK (AdAge.com) -- In its launch of the summer's annual Restaurant Week, New York City & Co., the marketing arm of New York, has given a special nod to both social networking and the recession. Twitter users, for the first time, were able to get first dibs on information about which restaurants would be included in the program that offers dinners at luxe eateries for near-diner prices. Meanwhile, the program was expanded to the make the "week" 20 days long to amplify its impact on recession hammered restauranteurs.