Apple Computer ( AAPL) delivered on its pre-MacWorld buzz Tuesday, as CEO Steve Jobs unveiled a host of products, including the company's much-anticipated iPod-cellphone hybrid.

The new iPhone features 8 gigabytes of storage, a 2-megapixel camera but just one button; for most functions, users rely on its 3.5-inch touchscreen.

The device, which will be carried by AT&T's ( T) Cingular Wireless unit, also includes other intriguing features, such as a proximity sensor, which shuts down the screen when a user puts it up to his face.

Shares of Apple were recently up $2.08, or 2.4%, to $87.55.

Apple also unveiled its renamed Apple TV device, which will allow users to buy content on the company's iTunes music store and wirelessly transmit it to play on a television.

In addition, Apple announced the expected inclusion of movies from Viacom's ( VIA) Paramount Studios into the iTunes store.

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