Mobile instant messaging is the communication technology revolution that is changing the way people communicate. The adoption rate is surging and the massive growth is experienced worldwide. Prior studies in instant messaging has been primarily concerned with its task relevant or functional aspects, with less attention on social interaction aspects. Drawing from media richness theory, present r...

In this paper we describe a Mobile Instant Messaging system, MIM, designed for mobile environments. During design of mobile applications several new problems and possibilities have to be considered that do not exist with applications targeted at desktop PCs. One example of an application not designed for a mobile environment is current, very popular, instant messaging systems such as ICQ, AIM a...

This paper discusses the general characteristics of the mobile instant messaging market from a competition point of view. Positive feedback and indirect network effects, which strongly influence the mobile instant messaging market, tend to facilitate the development of one quasi-monopoly. Even after several years of market maturation, however, no mobile instant messaging application has yet est...

This paper presents an approach for exchanging presence information between users of an instant messaging system in a mobile ad hoc network. As major feature, presence information is transferred when mobile users get in direct contact, similar to the spread of an infections disease. By exploiting node mobility, presence information is epidemically distributed throughout the network, effectively...

Mobile devices are increasingly utilized to access social media and instant messaging services, which allow users to communicate with others easily and quickly. However, the misuse of social media and instant messaging services facilitated conducting different cybercrimes such as cyber stalking, cyber bullying, slander spreading and sexual harassment. Therefore, mobile devices are an important ...

According to an old telecom saying, no service can be considered as such, unless you can charge for it. Mobile payment (MP) is a term used to describe any payment where a mobile device is used in order to initiate, activate and/or confirm this payment. Contrary to popular belief, mobile payments do not restrict themselves to payments via mobile phone but can be made by virtually any mobile devi...

Instant messaging and presence-systems have long been popular in the “fixed” Internet world with tens of millions of PC users. The success has come despite the heterogeneous environment of multiple incompatible IM systems. In the mobile domain, however, instant messaging and presence is a relatively young thing. Hoping to avoid fragmentation in mobile IM and presence, Wireless Village was forme...

A mobile user's presence and location information often forms important input for those applications and services that must anticipate on the user's context. Additionally, the ability to let a mobile device determine its location in an indoor environment at a fine-grained level supports the creation of a new range of personalized mobile Internet applications. The framework described here joins ...