Early Stuff

Xerox STAR demonstration (there's also a much longer recording of a talk that goes into some of the backstory behind the STAR interface and its hardware here)

Rethinking the Desktop

Novel Interaction Techniques for Overlapping Windows

Bumptop

Pen Computing

Teddy

Pen + Touch = New Tools

(In general, Ken Hinckley's page is a great resource for interaction techniques, particularly with pens.)

Multitouch

LiquidText

Neat Layout Gestures

Getting Away from the Desktop

Digital Desk

Head Tracking for Desktop VR Displays Using the WiiMote

New Interaction Technologies

TeslaTouch

Stuff we'll cover when we talk about bi-manual input (later in the semester)

Digital Tape Drawing

Toolglass and Magic Lenses

Zero Touch

Microsoft Surface Dial