Topiary: A Tool for Prototyping Location-Enhanced Applications
Topiary is a tool for rapidly prototyping location-enhanced applications. It lets designers model the location contexts of people, places, and things using an active map; create storyboards that describe interaction sequences using scenarios; and then run these storyboards on mobile devices, with a wizard updating the location of people and things on a separate device. more >>

A Toolkit for Managing User Attention in Peripheral Displays
As displays become embedded throughout our environment and daily lives, increasing numbers of them must operate on the periphery of our attention. We present the Peripheral Displays Toolkit (PTK), a toolkit that provides structured support for managing user attention in the development of peripheral displays. more >>