An influencer can create appetite even while the path to your product is a mystery. An influencer tears into a magnificent sandwich, and suddenly your lunch plans change. You dab away the drool, open the caption to find the restaurant, scroll through the comments for an address… but no joy. By then, the leftovers in your fridge are looking pretty convenient. A new study in Digital Business surveys 449 social media users about food influencers. Platform user-friendliness had the largest direct...