Summary: Hover Widgets: Using the Tracking State to Extend the
Capabilities of Pen-Operated Devices
Tovi Grossman1,2
Ken Hinckley1
Patrick Baudisch1
Maneesh Agrawala1,3
Ravin Balakrishnan2
1
Microsoft Research
Redmond, WA
research.microsoft.com
{kenh, baudisch}@microsoft.com
2
University of Toronto
Toronto, ON
www.dgp.toronto.edu
{tovi, ravin}@dgp.toronto.edu
3
UC Berkeley
Berkeley, CA