"It has to feel great, has to feel light and has to feel right," Sinofsky said. Panay said the ergonomic design will leave the impression on users that the device actually feels lighter than its 1.5 pounds.

Surface also has a USB port, for connecting to printers and other peripherals. It will also support a microSD card.

Matt Hamblen covers mobile and wireless, smartphones and other handhelds, and wireless networking for Computerworld. Follow Matt on Twitter at or subscribe to . His email address is .

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