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I/O Brush is our ongoing effort to empower people to create new expressions and meanings by painting with attributes of everyday objects and movements in their physical world. Using examples from our case studies with kindergarteners and artists, we discuss I/O Brush's most distinguishing features, its dynamic ink and history functions, and how they enable(More)
"The World as your Palette" is our ongoing effort to design and develop tools to allow artists to create visual art projects with elements (specifically, the color, texture, and moving patterns) extracted directly from their personal objects and their immediate environment. Our tool called "I/O Brush" looks like a regular physical paintbrush, but contains a(More)
Sawhney By " everywhere messaging " we refer to the ability to send and receive electronic communication at any time and through a variety of means, including wired and wireless computer networks, voice telephones, and pagers. Our goal is to design messaging systems in which the receiver is always " on " and available, and messages are correctly chosen for(More)
We present a system in which a cell phone decides whether to ring by accepting votes from the others in a conversation with the called party. When a call comes in, the phone first determines who is in the conversation by using a decentralized network of autonomous body-worn sensor nodes. It then vibrates all participants' wireless finger rings. Although the(More)
We present WeatherTank, a tangible interface that looks like a vivarium or a diorama, and uses everyday weather metaphors to present information from a variety of domains, e.g., " a storm is brewing " for increasingly stormy weather, indicating upcoming hectic activities in the stock exchange market. WeatherTank represents such well-known weather metaphors(More)
This thesis is about delivering electronic messages. Active Messenger, a software system, makes it easier and more efficient. Today, there are a multitude of communication devices and channels available to exchange messages. However, each of these devices and channels has different capabilities. Additionally, the location of a user is often unknown. Current(More)
This paper describes ongoing thesis work about embedding elements of human style social intelligence into an agent that controls a user's mobile communication devices in order to make these devices more socially acceptable to both user and co-located people. Today's mobile communication devices are passive tools that serve as mere communication portals. I(More)