“Unbeknownst to most of their customers, those restaurants may have already anticipated their reservation—that’s because they use OpenTable, too, to learn more about their diners.

The company offers a product called GuestCenter, which is more or less a cloud dashboard for restaurants. It lets them keep track of table availability, which servers are working which parts of the restaurant–and, increasingly, offers plenty of insights into their customers’ eating habits and dining patterns. ”

https://www.fastcompany.com/3069058/how-restaurants-use-big-data-to-learn-more-about-their-customers?