Heading into 2011, the top three operational trends will be mobile food trucks and pop-up restaurants, restaurants with gardens, and social media marketing, according to a National Restaurant Association Survey of more than 1,500 professional chefs that are members of the American Culinary Federation. Key menu trends for 2011, according to the study, include local and hyper-local sourcing, healthy children's meals, sustainable seafood, and gluten-free cuisine.