research Snake Charmer Physically Enabling Virtual Objects Mockup Builder Direct 3D Modeling On and Above the Surface in a Continuous Interaction Space Storeoboard Sketching Stereoscopic Storyboards DataInk Direct and Creative Data-Oriented Drawing tactual Sensing Hand Interactions with Everyday Objects by Profiling Wrist Topography PRISM Handlebar Tactual PRISM Motorcycle Handlebar Next-Point Prediction Metrics for Perceived Spatial Errors GhostID Enabling Non-Persistent User Differentiation in Frequency-Division Capacitive Multi-Touch Sensors Hammer Time! A Low-Cost, High Precision, High Accuracy Tool to Measure the Latency of Touchscreen Devices