Not to be outdone by Verizon lowering its rates today, AT&T has announced that it's changing up its smartphone plans, too. Here's the skinny:

All smartphone customers, including iPhone customers, may now buy unlimited voice and data for $99.99. For smartphone customers with Family Talk plans (prices assume 2 smartphones), unlimited voice and data is now available for $179.99. Texting plans remain unchanged at $20 for unlimited plans for individuals, $30 for Family Talk Plans.

The new rates take effect Monday. Now we just need AT&T to release a few more Android phones. [AT&T]

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