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In this paper we argue that "persuasive technologies," developed to motivate behaviour change in users, have so far failed to exploit the established body of empirical research within behavioural science. We propose that persuasive technologies may benefit from both adapting to individual preferences, and a constructive use of aversive, in addition to appetitive, feedback. We detail an example application that demonstrates how this approach can be incorporated into an application designed to train users to adopt more environmentally friendly behaviours in their domestic kitchens.

This paper describes Blowtooth, a Bluetooth-implemented pervasive game where players smuggle virtual drugs through real airport security with the help of unknowing bystanders. The game explores the nature of pervasive game playing in environments that are not generally regarded as playful or "fun," and where people are subject to particularly high levels of intrusive surveillance and monitoring. Six participants who were travelling internationally within a two-week period were recruited to evaluate the game. Findings suggest that creating pervasive games that incorporate the unique features of their context as part of the game may provide enjoyable, novel and thought-provoking experiences for players.

This paper describes the design and initial evaluation of Tag-liatelle, a collaborative tagging application for encouraging healthier eating. Users photograph their own meals and upload these photos to a website, where fellow users anonymously tag them for content. Initial results suggest that tagging of food content is a popular activity. However, further work must be done to automate the extraction of valid nutritional information from the tags generated.