Harrison says the system will be useful when small “pico” projectors have become cheap and power-efficient enough to be dotted around our homes.

The PocketCinema V10 Plus is an extremely versatile stand-alone pico projector, but its image quality is undistinguished.

It's called LightBeam and it's a 'nomadic' pico projector that uses a webcam to track and reorient its display to suit any ad hoc surface -- the piece of paper in your hand, the cover of a book ...

Optoma's giving the shrink ray treatment to two of its latest pico projectors, debuting at CES 2012 today. The pocket-friendly PK320 comes in at a slight eight ounces and outputs 16:9 images at up ...

The PocketCinema V10 Plus is an extremely versatile stand-alone pico projector, but its image quality is undistinguished.

A collection of adapter cables is supplied, and a remote control is an optional extra. Menu navigation buttons are located discreetly on the top surface.

As well as a VGA resolution projector, you also get a Linux-based OS with WiFi b/g, a battery apparently good for up to 2hrs runtime, and a wireless remote control with a full QWERTY keyboard.

As for the 854 x 480 pico-projector, that clicks on in place of the keyboard section, which then doubles as a remote-control.