The iPhone features an integrated Web browser, tiltable 7.4-inch gray scale touchscreen, an e-mail client, a 56-kilobits-per-second modem, two phone jacks, a full duplex speaker phone, and a keyboard that slides under the phone to save space.

CNN: InfoGear upgrades phone of the future

"Most companies will only start managing their e-mail when they have their feet to the fire, " says Christopher Gray , vice president at Legato.

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