Is social media a force for good in the food world?

Food in social media can in one respect enforce social hierarcy, by showing people food they can't afford. But at the same time it's a way of educating people. So on balance, is social media a force for good when it comes to our relationship with food? Eve Turow Paul, a food culture consultant and dietician Ursula Philpot discuss the power of food photography on social media.