Colm Hanratty provides 13 tips for using social media effectively in the food and drink business in 2018. The tips include being human in posts, sharing engaging content at the right times, using analytics to track performance, scheduling ads appropriately, leveraging Facebook audiences, owning accounts on all major platforms, avoiding like/share contests, having an editor to check for errors, being entertaining in posts, using free analytics tools, sharing purple cow imagery that stands out, and creating content that engages, inspires, entertains and educates audiences.