*Drinking venues posted on social media more frequently than alcohol brands during the research period
*18-15 year olds were more likely to follow venues on social media than brands
*Venue-level social media was used to both plan and document drinking occasions
*Venue-level content included cheap offers, promotional events, and images of customers as marketing
*Less than 2% of posts by brands and no posts by venues, included messages to ‘drink responsibly’
*Alcohol brands were more popular on social media among younger (including underage) participants, and less popular among older participants.