Smartphone Foodies. Do smartphones make smart foodies? We’ve noticed that people are increasingly using their cell phones to find new restaurants, share their meals with others, and write reviews post-dining. To find out exactly how phones played a role in the dining process, we asked social media users to weigh in. Our findings reveal that smartphones have become an essential part of dining out – a whopping 95% of respondents use their phones prior to going to a restaurant.