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...they did not have to deal with the ramifications of their responses. We believe that exploring social ramifications is an important next step and are deploying a working location-enhanced application =-=[23]-=- to do so. The results of this study were used to inform the design of that application. KEY FINDINGS In this section, we report on which factors affected whether and what participants would disclose ...

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...alleds“tracking applications” in that they focus on the deliverysof location information itself. Popular applications heresinclude those supporting gaming, family co-ordinationsand social interaction =-=[4; 32]-=-.sA range of online applications let users ‘microblog’ statussmessages on social networking websites, such as twittersand facebook. However, few studies have explored howsthis microblogging might be p...

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...e Place Lab. However, as the number of mapped regions grows, Place Lab would be a good solution for location-based applications like Place-Its. We chose to use the location technique employed by Reno =-=[22]-=- for marking and detecting places, inspired by the ideas of Laasonen et al. [15], but simplified somewhat for our purposes. The key observation made by Laasonen et al. is that one can think of a place...

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...ved small groups of participants who were members of an existing social group, where the requested responded via SMS with their location information (in the case of Reno, developed by Intel Research) =-=[16, 27]-=- or is automatically provided by Connecto when the user’s phone is on [2]; or of groups who may already be aware of or have access to each other’s location information, such as family members using th...

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... are more properly called “tracking applications” in that they focus on the delivery of location information itself. Popular applications here include ways of supporting gaming, friendship and family =-=[18]-=-. Further, because of the potentially sinister connotations of “tracking” or “monitoring”, much of this research is preoccupied with aspects of privacy [10]. Common to all of these applications is tha...

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...and deny requests if they cannot specify policies that would lead to useful sharing. One drawback of this research is that much of it focused on laboratory experiments [8, 16] and small group testing =-=[1, 13, 20]-=-, where there are minimal privacy concerns given the small number of (often simulated) requests. As far as we know, there have been only two other field studies that revealed complexity in people’s lo...

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...ion combined with thesevaluators’ comments suggest that allowing user feedback on location requests issimportant. This is supported by recent work investigating social context of locationsdisclosure (=-=Smith et al., 2005-=-). While scenario based heuristic evaluations providedsvaluable initial data regarding the value of our model, additional usability studiessemploying members of the anticipated user community need to ...

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...cues in home and office environments suggests that they may be useful in the wild. Deployments in the wild often reveal uses not found in laboratory studies. Examples of this include location-sharing =-=[38]-=- and reminders [39]. Mobile context-aware platforms have been proposed for aiding instant messaging, an intended, explicit interaction scenario.WatchMe [30], Hubbub [22], and Connexus [41] are exampl...

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...mation with other members of a group. There exist plenty of applications that offer such context sharing: Some systems disclose information about their users’ presence [20, 23], others about location =-=[19, 22]-=-, motion [1] and proximity [21]. Besides sharing contextual information among members of groups, some services incorporate collaborative function4 www.jaiku.com 5 www.twitter.com 6 www.friendfeed.com ...