Figure 1. We explore the use of text-based stimuli to enable gaze interaction with public displays using the Pursuits technique [47]. Motivated by the fact that much of the content on large displays is text, we investigate two use cases: (a) Users can spontaneously interact with text-based content without calibration. A sample application could be a survey where answers in the form of text are selected by reading them (left). (b) An eye tracker can be calibrated implicitly as users read text on the screen (right). After calibration, fine-grained information on the user's gaze point are obtained. ABSTRACTIn this paper we show how reading text on large display can be used to enable gaze interaction in public space. Our research is motivated by the fact that much of the content on public displays includes text. Hence, researchers and practitioners could greatly benefit from users being able to spontaneously interact as well as to implicitly calibrate an eye tracker while simply reading this text. In particular, we adapt Pursuits, a technique that correlates users' eye movements with moving on-screen targets. While prior work used abstract objects or dots as targets, we explore the use of Pursuits with text (read-and-pursue). Thereby we address the challenge that eye movements performed while reading interfere with the pursuit movements. Results from two user studies (N=37) show that Pursuits with text is feasible and can achieve similar accuracy as non text-based pursuit approaches. While calibration is less accurate, it integrates smoothly with reading and allows areas of the display the user is looking at to be identified.

Global sales of second-hand luxury products are steadily increasing. To better understand key drivers for purchasing second-hand luxury products, a survey was conducted including 469 respondents. The study not only includes existing customers, but also non-customers and thus potential future clientele. Based on the theory of planned behavior, the components of attitude, subjective norms, perceived behavioral control, and individual motivators (creative, economic, ethical, nostalgic, sustainable) were investigated. Using structural equation modeling, the results support the influence of attitude, past purchase experience, perceived behavioral control, and subjective norms on purchase intention. Attitude, in turn, is mainly impacted by economics and ethics as individual motivators. Further, subjects were asked to state their own definition of luxury and to name individual reasons for and against second-hand luxury products. Thereby, quality turned out to be double-edged: on the one hand, second-hand products were able to prove their quality, on the other hand, the fear of counterfeits and unhygienic products was cited. Overall, consumers of second-hand luxury goods are heterogeneous and have different buying experiences with one or more of the three categories: new luxury goods, second-hand luxury goods, and second-hand products. The study thus expands the understanding of the transformation within the (second-hand) luxury industry.

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This paper investigates the relevance of patents as a competitive advantage with regard to the luxury industry. Within the framework of an explorative research design, more than two thousand patents were analyzed, using the international patent classification (IPC) to cluster those patents. The analysis shows that the sole ownership of patents as a resource is not sufficient to achieve business success. In addition, the findings suggest a two-sided relevance of patents within the luxury goods industry as two main groups can be identified: First, traditional manufacturers focusing more on craftmanship, secrecy, and tradition than on novelties and patents. Second, large business groups and high technology businesses dominating the IPC group G04 and emphasizing on the latest technology as well as on patents. Furthermore, the internationalization is also reflected in the patent applications: European patents within category G04 have gained in importance over the last 20 years, while national patents have declined.