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Microsoft takes the wraps off "Surface"

Microsoft has taken the wraps off "Surface," a coffee-table shaped computer that responds to touch and to special bar codes attached to everyday objects.

The machines, which Microsoft planned to debut on Wednesday at a technology conference in Carlsbad, California, are set to arrive in November in T-Mobile USA stores and properties owned by Starwood Hotels & Resorts Worldwide and Harrah's Entertainment.

Surface is essentially a Windows Vista PC tucked inside a shiny black table base, topped with a 30-inch touchscreen in a clear acrylic frame. Five cameras that can sense nearby objects are mounted beneath the screen. Users can interact with the machine by touching or dragging their fingertips and objects such as paintbrushes across the screen, or by setting real-world items tagged with special bar-code labels on top of it.

Unlike most touchscreens, Surface can respond to more than one touch at a time. During a demonstration with a reporter last week, Mark Bolger, the Surface Computing group's marketing director, "dipped" his finger in an on-screen paint palette, then dragged it across the screen to draw a smiley face. Then he used all 10 fingers at once to give the face a full head of hair.

With a price tag between $US5000 and $US10,000 per unit, Microsoft isn't immediately aiming for the finger painting set. (The company said it expects prices to drop enough to make consumer versions feasible in three to five years.)

Some of the first Surface models are planned to help customers pick out new mobile phones at T-Mobile stores. When customers plop a phone down on the screen, Surface will read its bar code and display information about the handset. Customers can also select calling plans and ringtones by dragging icons toward the phone.

Guests sitting in some Starwood Hotel lobbies will be able to cluster around the Surface to play music, then buy songs using a credit card or rewards card tagged with a bar code. In some hotel restaurants, customers will be able to order food and drinks, then split the bill by setting down a card or a room key and dragging their menu items "onto" the card.

At Harrah's locations, visitors will be able to learn about nearby Harrah's venues on an interactive map, then book show tickets or make dinner reservations.

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