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Over the past decades commercial and academic market(ing) researchers have studied consumers through a range of different methods including surveys, focus groups, or interviews. More recently, some have turned to the growing field of neuroscience to understand consumers. Neuromarketing employs brain imaging, scanning, or other brain measurement technologies to capture consumers' (brain) responses to marketing stimuli and to circumvent the "problem" of relying on consumers' self-reports. This paper presents findings of an ethnographic study of neuromarketing research practices in one neuromarketing consultancy. Our access to the minutiae of commercial neuromarketing research provides important insights into how neuromarketers silence the neuromarketing test subject in their experiments and presentations and how they introduce the brain as an unimpeachable witness. This enables us conceptually to reconsider the role of witnesses in the achievement of scientific credibility, as prominently discussed in science and technology studies (STS). Specifically, we probe the role witnesses and silences play in establishing and maintaining credibility in and for "commercial research laboratories." We propose three themes that have wider relevance for STS researchers and require further attention when studying newly emerging research fields and practices that straddle science and its commercial application.

In this article, we explore the discursive constructions of Buycott, a free mobile app that provides a platform for user-generated ethical consumption campaigns. Unlike other ethical consumption apps, Buycott's mode of knowledge production positions the app itself as neutral, with app users generating activist campaigns and providing both data and judgment. Although Buycott is not a dedicated food activism app, food features centrally in its campaigns, and the app seems to provide a mobile means of extending, and perhaps expanding, alternative food network (AFN) action across geographies and constituencies. Thus, as a case study, Buycott unveils contemporary possibilities for citizen participation and the formation of activist consumer communities, both local and trans-national, through mobile technologies. Our analysis shows, however, that despite the app's user-generated format, the forms of activism it enables are constrained by the app's binary construction of action as non/consumption and its guiding 'mission' of 'voting with your wallet'. Grounded in texts concerning Buycott's two largest campaigns (Demand GMO Labeling and Long live Palestine boycott Israel), our analysis delineates how Buycott, its campaigns, and its modes of action take shape in user, media, and app developer discourses. We find that, as discursively framed, Buycott campaigns are commodity-centric, invoking an 'ethics of care' to be enacted by atomized consumers, in corporate spaces and through mainstream, barcode-bearing, retail products. In user discourses, this corporate spatiality translates into the imagined materializing of issues in products, investing commodities with the substance of an otherwise ethereal cause. This individualized, commodity-centric activism reinforces tenets of the neoliberal market, ultimately turning individual users into consumers not only of products, but also of the app itself. Thus, we suggest, the activist habitus constructed through Buycott is a neoliberal, consumer habitus.

In this article, we explore the discursive constructions of Buycott, a free mobile app that provides a platform for user-generated ethical consumption campaigns. Unlike other ethical consumption apps, Buycott's mode of knowledge production positions the app itself as neutral, with app users generating activist campaigns and providing both data and judgment. Although Buycott is not a dedicated food activism app, food features centrally in its campaigns, and the app seems to provide a mobile means of extending, and perhaps expanding, alternative food network (AFN) action across geographies and constituencies. Thus, as a case study, Buycott unveils contemporary possibilities for citizen participation and the formation of activist consumer communities, both local and trans-national, through mobile technologies. Our analysis shows, however, that despite the app's user-generated format, the forms of activism it enables are constrained by the app's binary construction of action as non/consumption and its guiding 'mission' of 'voting with your wallet'. Grounded in texts concerning Buycott's two largest campaigns (Demand GMO Labeling and Long live Palestine boycott Israel), our analysis delineates how Buycott, its campaigns, and its modes of action take shape in user, media, and app developer discourses. We find that, as discursively framed, Buycott campaigns are commodity-centric, invoking an 'ethics of care' to be enacted by atomized consumers, in corporate spaces and through mainstream, barcode-bearing, retail products. In user discourses, this corporate spatiality translates into the imagined materializing of issues in products, investing commodities with the substance of an otherwise ethereal cause. This individualized, commodity-centric activism reinforces tenets of the neoliberal market, ultimately turning individual users into consumers not only of products, but also of the app itself. Thus, we suggest, the activist habitus constructed through Buycott is a neoliberal, consumer habitus.

Introduction : digital food activism : food transparency one byte/bite at a time? / Tanja Schneider, Karin Eli, Catherine Dolan and Stanley Ulijaszek -- Hacking the food system : technologies of justice and inequality / Melissa Caldwell -- Diabetes on Twitter : influence, activism, and what we can learn from all the food jokes / Amy K. McLennan, Stanley Ulijaszek and Mariano Beguerisse-Díaz -- Digital connections : coffee, agency and unequal platforms / Sarah Lyon -- Political consumers as digital food activists? : the role of food in the digitalisation of political consumption / Katharina Witterhold -- Marketing critical consumption : cultivating conscious consumers or nurturing an alternative food network on facebook? / Ryan Foley -- Displacement, "failure" and friction : tactical interventions in the communication ecologies of anti-capitalist food activism / Eva Giraud -- "Both fascinating and disturbing" : consumer responses to 3D food printing and implications for food activism / Deborah Lupton and Bethaney Turner -- Hashtag activism and the right to food in Australia / Alana Mann -- Food politics in a digital era / Tania Lewis -- Digital food activism : values, expertise and modes of action / Karin Eli, Tanja Schneider, Catherine Dolan and Stanley Ulijaszek

Purpose: Literature from across the social sciences and research evidence are used to highlight interdisciplinary and intersectional research approaches to food and family. Responsibilisation emerges as an important thematic thread as family has (compared with the state and corporations) been increasingly made responsible for its members' health and diet. Approach: Three questions are addressed. First, the extent to which food is fundamentally social, and integral to family identity, as reflected in the sociology of food; Second, how debates about families and food are embedded in global, political and market systems; and thirdly, how food work and caring became constructed as gendered. Findings: Interest in food can be traced back to early explorations of class, political economy, the development of commodity culture, and gender relations. Research across the social sciences and humanities draw on concepts that are implicitly sociological. Food production, mortality and dietary patterns are inextricably linked to the economic/social organization of capitalist societies, including its gender-based divisions of domestic labour. DeVault's (1991) groundbreaking work reveals the physical and emotional work of providing /feeding families and highlights both its class and gendered dimensions. Family mealtime practices have come to play a key role in the emotional reinforcement of the idea of the nuclear family. Originality/value: Highlights the imperative to take pluri-disciplinary and intersectional approaches to researching food and family. Additionally, this article emphasizes that feeding the family is an inherently political, moral, ethical, social and emotional process, frequently associated with gendered constructions.

In light of the globally increasing prevalence of diet-related chronic diseases, new scalable and non-invasive dietary monitoring techniques are urgently needed. Automatically collected digital receipts from loyalty cards hereby promise to serve as an objective and automatically traceable digital marker for individual food choice behavior and do not require users to manually log individual meal items. With the introduction of the General Data Privacy Regulation in the European Union, millions of consumers gained the right to access their shopping data in a machine-readable form, representing a historic chance to leverage shopping data for scalable monitoring of food choices. Multiple quantitative indicators for evaluating the nutritional quality of food shopping have been suggested, but so far, no comparison has validated the potential of these alternative indicators within a comparative setting. This manuscript thus represents the first study to compare the calibration capacity and to validate the discrimination potential of previously suggested food shopping quality indicators for the nutritional quality of shopped groceries, including the Food Standards Agency Nutrient Profiling System Dietary Index (FSA-NPS DI), Grocery Purchase Quality Index-2016 (GPQI), Healthy Eating Index-2015 (HEI-2015), Healthy Trolley Index (HETI) and Healthy Purchase Index (HPI), checking if any of them performs differently from the others. The hypothesis is that some food shopping quality indicators outperform the others in calibrating and discriminating individual actual dietary intake. To assess the indicators' potentials, 89 eligible participants completed a validated food frequency questionnaire (FFQ) and donated their digital receipts from the loyalty card programs of the two leading Swiss grocery retailers, which represent 70% of the national grocery market. Compared to absolute food and nutrient intake, correlations between density based relative food and nutrient intake and food shopping data are stronger. The FSA-NPS DI has the best calibration and discrimination performance in classifying participants' consumption of nutrients and food groups, and seems to be a superior indicator to estimate nutritional quality of a user's diet based on digital receipts from grocery shopping in Switzerland.

In light of the globally increasing prevalence of diet-related chronic diseases, new scalable and non-invasive dietary monitoring techniques are urgently needed. Automatically collected digital receipts from loyalty cards hereby promise to serve as an objective and automatically traceable digital marker for individual food choice behavior and do not require users to manually log individual meal items. With the introduction of the General Data Privacy Regulation in the European Union, millions of consumers gained the right to access their shopping data in a machine-readable form, representing a historic chance to leverage shopping data for scalable monitoring of food choices. Multiple quantitative indicators for evaluating the nutritional quality of food shopping have been suggested, but so far, no comparison has validated the potential of these alternative indicators within a comparative setting. This manuscript thus represents the first study to compare the calibration capacity and to validate the discrimination potential of previously suggested food shopping quality indicators for the nutritional quality of shopped groceries, including the Food Standards Agency Nutrient Profiling System Dietary Index (FSA-NPS DI), Grocery Purchase Quality Index-2016 (GPQI), Healthy Eating Index-2015 (HEI-2015), Healthy Trolley Index (HETI) and Healthy Purchase Index (HPI), checking if any of them performs differently from the others. The hypothesis is that some food shopping quality indicators outperform the others in calibrating and discriminating individual actual dietary intake. To assess the indicators' potentials, 89 eligible participants completed a validated food frequency questionnaire (FFQ) and donated their digital receipts from the loyalty card programs of the two leading Swiss grocery retailers, which represent 70% of the national grocery market. Compared to absolute food and nutrient intake, correlations between density-based relative food and nutrient intake and food shopping data are stronger. The FSA-NPS DI has ...

In light of the globally increasing prevalence of diet-related chronic diseases, new scalable and non-invasive dietary monitoring techniques are urgently needed. Automatically collected digital receipts from loyalty cards hereby promise to serve as an objective and automatically traceable digital marker for individual food choice behavior and do not require users to manually log individual meal items. With the introduction of the General Data Privacy Regulation in the European Union, millions of consumers gained the right to access their shopping data in a machine-readable form, representing a historic chance to leverage shopping data for scalable monitoring of food choices. Multiple quantitative indicators for evaluating the nutritional quality of food shopping have been suggested, but so far, no comparison has validated the potential of these alternative indicators within a comparative setting. This manuscript thus represents the first study to compare the calibration capacity and to validate the discrimination potential of previously suggested food shopping quality indicators for the nutritional quality of shopped groceries, including the Food Standards Agency Nutrient Profiling System Dietary Index (FSA-NPS DI), Grocery Purchase Quality Index-2016 (GPQI), Healthy Eating Index-2015 (HEI-2015), Healthy Trolley Index (HETI) and Healthy Purchase Index (HPI), checking if any of them performs differently from the others. The hypothesis is that some food shopping quality indicators outperform the others in calibrating and discriminating individual actual dietary intake. To assess the indicators' potentials, 89 eligible participants completed a validated food frequency questionnaire (FFQ) and donated their digital receipts from the loyalty card programs of the two leading Swiss grocery retailers, which represent 70% of the national grocery market. Compared to absolute food and nutrient intake, correlations between density-based relative food and nutrient intake and food shopping data are stronger. The FSA-NPS DI has ...

Coreografías transculturales es un homenaje a una vida de investigación interdisciplinar. A lo largo de su extensa carrera, Yvette Sánchez ha experimentado una y otra vez con las porosas fronteras entre disciplinas utilizando sus intersecciones para poner en escena audaces pas-de-deux alejados de lo convencional. De esta forma, ha enriquecido la investigación sobre cuestiones transculturales conectándola, entre otras cosas, con la práctica empresarial. Esta publicación conmemorativa busca reflejar las múltiples facetas de su obra y reúne contribuciones de campos tan diversos como la antropología o la lírica. Choreographien transkultureller Begegnungen feiert ein Leben für interdisziplinäre Forschung: In ihrer gesamten Karriere experimentierte Yvette Sánchez immer wieder mit den porösen Grenzen zwischen den Disziplinen und nutzte deren Schnittflächen, um unkonventionelle Pas-de-deux zu inszenieren. Dadurch konnte sie die Forschung zu transkulturellen Fragestellungen bereichern und mit der unternehmerischen Praxis verbinden. Diese Festschrift spiegelt die enorme Vielfalt von Yvette Sánchez' Schaffen wider und vereint Beiträge aus so unterschiedlichen Bereichen wie der Anthropologie und der Lyrik. Choreographing Transcultural Encounters celebrates a life in academia: throughout her career, Yvette Sánchez experimented with the permeability of disciplinary boundaries and used overlaps to choreograph unconventional pas-de-deux. She thus enriched the field of transcultural studies not only with novel contributions, but also with her attempts at bringing research into a dialogue with business practice. This liber amicorum reflects the many facets of Yvette Sánchez oeuvre and combines contributions from anthropology to poetry and beyond