1) The document analyzes social media mentions of veganism and the trend of Veganuary to understand consumer interest in plant-based diets. 2) It finds a large rise in social media mentions of terms like #vegan and #veganuary between 2015-2018, mirroring increased interest in veganism. 3) There is a direct relationship between the growth of social media discussions around veganism and an increase in people signing up for Veganuary each year, showing social media can track emerging trends.