Using role play at every stage of the design process has been a vital tool for IDEO in working with clients and users. With the dual properties of bringing participants into the m...
The Hummingbird is a wearable computer that aims to support communication in co-located groups, by giving users a continuous awareness of the physical presence (or absence) of oth...
Mobile phones are becoming the central tools for communicating and can help us keep in touch with friends and family on-the-go. However, they can also place high demands on attent...
The rapid progress of information technology has spurred development of various communication support systems. In particular, the importance of informal communication has lately d...
Secure communication over wireless channels necessitates authentication of communication partners to prevent man-in-the-middle attacks. For spontaneous interaction between independ...