Danny Meyer, CEO of Union Square Hospitality Group and an accomplished New York City restaurateur, said that investing in neighborhoods overlooked or undiscovered by others is one of his primary strategies and inspirations.He used café-sparse Battery Park City in Manhattan as an example; his group will open three eateries there in 2012: a Shake Shack, a Blue Smoke, and the newbie North End Grill. When Union Square Cafe opened in 1985 and Gramercy Tavern in 1995, whose addresses are now chic, both their neighborhoods were low-rent. "It's fun to use restaurants as a way to plug a battery into a beautiful flashlight to really get the (neighborhood) to brighten up," he said.Meyer spoke about his 26-year career as a Manhattan restaurant owner during a talk with Curbed.com f...