(Update 2 with iPhone and BlackBerry/Windows Mobile rates) Quickly following a similar move by Verizon, cellular carrier AT&T today said it would introduce an unlimited plan of its own. The $100 monthly agreement allows subscribers to call anywhere within the US without the long distance or roaming charges that normally come with service, regardle...

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	www.macnn.com/articles/08/02/19/att.unlimited.calling/