Interpersonal communication mediated by computer services supports the reinforcement and emergence of new communities brought together by leisure or work interests. This paper presents a workbench system that aims to study how the same principle can be applied in interactive television. The main objective is to allow TV users to be online (2BeOn) through the integration of basic and advanced co...

Instant Messaging, or IM, has been growing in popularity for personal and work-related communication. The limited awareness provided by current IM systems combined with the asynchronous nature of IM result in messages often arriving at inconvenient or disruptive times. The goal of my research is to alleviate some of the shortcomings of IM through the understanding and modeling of IM interaction...