How is Social Media Marketing useful for Food & Beverages sector?

Today, almost every industry is very much influenced by social media and so is the food sector. Whereas many restaurants fail to build, monitor, and maintain functional websites, a large percentage are able to run highly-successful social media profiles. In fact, a recent survey suggests that more than 8 out of 10 restaurant operators either already use social media or plan on using it soon as a key marketing tool.
Many of the restaurants, by using social media are focusing on creating viral campaigns and visually attractive posts. The major benefit for these restaurant operators, by using social media, is that they can build a positive reputation among people within no time, with a large possibility, something that used to take months or years.