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The Meaning of Circulating Visualisations related to a Policy Controversy111502468101214161820Number of tweetsFigure 5.3. Overview of the storylines of the most retweeted tweets and the tweets in which no storyline was revealed (NA)The food-contaminant storyline is about nano-sized particles that reach our food and contaminate it. The tweets’ textual tone is always negative. Some tweets with this storyline communicate the idea of food contamination as a result of using and discarding plastic products. These tweets show small pieces or pellets of plastic, with text describing the phenomenon. Other food-contaminant tweets convey the idea that aircrafts’ condensation trails consist of harmful chemicals (‘chemtrails’) in the form of nano-sized particles. These tweets show mostly photographs of aircraft condensation trails with the text ‘Nano Particulates are contaminating everything; food, air, water, DO YOU CARE?’.Health benefit is another storyline revealed, which is about the health benefits that nanotechnology offers, such as fighting obesity, increasing food safety, and improving nutritional value. The tweets’ textual tone is always positive. One tweet with this storyline is also part of the advancing-the-agri-food-sector storyline. In the health-benefit storyline, some tweets visualize nano-structures and accompany the visualisation with text explaining the nano-structures’ benefits. Other tweets visualize foods – in a lab, on a counter, in a production line – and textually describe health benefits associated with the food depicted. For example, a visualisation Efrat.indd 111 19-09-2023 09:47