1) The document describes an analysis of over 800,000 tweets related to Brexit using semantic annotations to understand reactions. 2) Key findings include that Scotland was the most discussed region, with hashtags like #indyref2 more associated with Scotland, and historical figures and politicians over age 65 most mentioned people. 3) Semantic enrichment through linking tweets to external knowledge sources like DBpedia helped provide context and allowed analysis of topics, locations, people and attitudes in a way not possible without this linking of information.