1. #Foodporn
Restaurants investing in attractive Instagram food photos are seeing an uptick in followers as well as business. California Donuts, a 34-year-old doughnut shop based in Los Angeles, grew from a longstanding mom-and-pop to a booming business with a 24-hour kitchen after posting experimental desserts and mouthwatering photos with hashtags like #foodporn and #foodgasm, boasting nearly 470,000 Instagram followers.