You can take it with you
A new system lets you transfer open applications between a computer and a cellphone simply by pointing the phone’s camera at the computer’s screen.
When the playroom is the computer
A block-shaped robot that seems to roll onto a computer screen is part of an educational-media system that gets kids out of their chairs.
Sketch-interpreting software
A new system that lets people enter data into a tablet computer simply by drawing diagrams on the screen could lead to interactive whiteboards.