The Apple iPad specifications: three models starting at $499: The iPad is chock full of wireless features and battery life, but is missing multi-tasking and voice support.

With iPad, Apple has created a highly mobile, lightweight device that can run any and all existing iPhone apps, with a set of built-in apps reworked for its large, multi-touch screen.

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The iPad is slightly smaller than a sheet of regular paper, just one-half inch thick, and weighs 1.5 pounds (1.6 with an optional 3G modem built-in). The 9.7-inch LED backlit glossy multi-touch screen has 1024x768 pixel resolution (132 pixels per inch).

Wireless connectivity is 802.11n Wi-Fi (backward compatible with 11abg devices), Bluetooth 2.1 + Ehanced Data Rate (EDR).

3G cellular is available for $130 more, supporting UMTS/HSDPA and GSM/EDGE networks, but available at least at first only on...