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The Meaning of Circulating Visualisations related to a Policy Controversy1095food was discussed. For a further, in-depth, qualitative analysis of the tone and the storylines and how they change over time, we selected five visualisations for which nanotechnology in food is discussed among the URLs on which they appear. In all the URLs on which these five visualisations appear (n=157), we analysed the tone towards the page’s topic and the nanotechnology-in-food storylines. The URLs were sorted based on their publication date to create a timeline showing changes in the tone towards the topic and the nanotechnology-in-food storylines over time. Figure 5.1 shows the dynamic development of our dataset and the specific analysis conducted at each stage. Analysis: tone; nanotechnology-in-food storylineVisualisations (n=5) URLs (n=157)Tweets (n=4761)Tweets (n=90) Visualisations (n=104)Visualisations (n=14) URLs (n=667)Engagement analysisTwitterTweets containing images;Context: nanotechnology in food Analysis: tone; nanotechnology-in-food storylineTwitter APIGoogle Reverse image searchTopical-context analysisRetweet metrics>10Google reverse image search results>200Contexts include nanotechnology in food Figure 5.1. Development of the dynamic dataset and the analysis conducted at each stage5.4 ResultsIn this section, we first present the results of the analysis of circulating within the Twitter platform: the textual tone that accompanies circulating visualisations about nanotechnology in food and the storyline narrated by the tweets that include those visualisations. Next, we present the results of the analysis of crossplatform circulation and focus first on circulation across topical contexts. Finally, for five selected visualisations that circulated both on Twitter and the open Web in the context of nanotechnology in food, we present the textual tone and the storylines and how the two have changed over time. Efrat.indd 109 19-09-2023 09:47