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...ce Revolution, the Nintendo Wii Fit, the Nike+ system, Garmin’s Forerunner, Bones in Motion’s Active Mobile & Active Online, bike computers, heart rate monitors, MPTrain [17], Jogging over a distance =-=[15]-=-, and mixed- and virtualreality sports games [13,14]. Physical activity detection with commercial devices Perhaps the most common commercial device that detects physical activity throughout the day is...

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...ere participants shared activity information amongst groups of friends, and found that awareness encouraged reflection on, and increased motivation for, daily activity. Brien and Mueller concluded in =-=[16]-=- that a jogging experience supporting a conversation between remote partners during the workout was desirable and motivating. Other systems support interaction with a group of friends or peers via ins...

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...2001); similarly, a touch-sensitive scarf used embedded buzzer displays (Bonnanni et al., 2006). Other projects have used the metaphor of a hug as inspiration for device design (DiSalvo et al., 2003; =-=Mueller et al., 2005-=-). Haans provides an excellent recent survey, and observes that ‘‘the field has been lagging behind in developing a deeper theoretical understanding of the presumed effects of mediated social touch on...

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...of players’ potentially having significantly different fitness levels. Several researchers have focused on distributed games which allow people in different locations to interact. In Breakout for Two =-=[21]-=-, two distributed players kick a soccer ball at a projected wall of virtual bricks. The player who is able to destroy more bricks is considered the winner. Breakout for Two is a competitive game in wh...

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...rds H5.2. Information Interfaces and presentation (e.g., HCI): User Interfaces.sSocial Jogging We have found through the use of an online survey and Internet forums that joggers often run with others =-=[6]-=-. Out of 77 responses from regular joggers, 57% replied that they run with at least one other person. The top four reasons for running with others were socializing (83%), motivation to run faster (78%...

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...ture of touch; the abstract, intangible qualities of touch and the variety of responses they evoke. One field that addresses the relationship between touch and emotion is that of intimate interfaces (=-=[10]-=- [7] [5], for example). Additionally, this type of research naturally intersects both the fields of haptics and affective computing; however, currently there is little overlap in research between the ...

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... inTouch [9], where identical instances exist on both ends and only a state is synchronized, our approach allows the interaction object to exist only in one location at a time. A project featuring a physical shared object that is passed back and forth is the throw and catch system described in [10]: A player throws a ball into a basket, a detection mechanism recognizes and transmits this information, and pops a ball out at the other end, creating a simple ball game between two players. Sports Over a Distance is an attempt to allow two players to play a physically exhausting ball game together [11]. The authors define their “exertion interface” as an interface that deliberately requires physical effort [11], and other “exertion interfaces” are described by [12]. The players exhaust themselves because they are both kicking a physical ball against a wall. Even though this project showed that exertion interfaces more strongly support connectedness between players than virtual games, possibilities for increasing the sense of connectedness still exist. How would players respond if they could in fact “pass” a ball through the network back and forth between each other? Another airhockey game i...

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... greater awareness of how healthfully they are living [5,6]. Other researchers have designed and evaluated exergames, which encourage exercise by requiring the player to be physically active for play =-=[12,13]-=-. In our research, we have examined how mobile devices can Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copi...