Ioanna D. Constantiou

Learn More
Despite widespread proliferation of mobile devices providing access to a variety of advanced and data-rich services, adoption of those services remains low in most of the Western world. Thus, research related to the acceptance and use of mobile technology and services continues to develop. Traditional research in this domain has been useful for exploring(More)
Mobile data services have for almost a decade been promoted as the next crux in the mobile communications revolution. However, consumer embracement of data services has been the exception rather than the rule in most western European counties. We conducted a multi-method field study to investigate if user's perceptions of central technology acceptance items(More)
Despite the 83% mobile phone penetration rate, the Danish mobile telecommunications market has witnessed slow uptake of advanced mobile services available over GPRS and 3G. In this paper we report results from a survey of 1,103 respondents. We delineate four categories of mobile users in the Danish market based on the technology in use and explore their(More)
The IP telephony market has been subject to publicity due to the recent increase of users worldwide. Although not a new technology, given that IP telephony was developed in the mid-nineties, it lately became popular as a lower-priced alternative to fixed telephony through the availability of high bandwidth networks. While prior studies focused on technical(More)