The FCC gave a green light to a plan aimed at meeting a 2006 law to establish an emergency alert system through text messages to cell phones. Carriers and consumers can opt out of the three-tier system the FCC created that includes presidential alerts; imminent threats from weather or a local emergency; and child abductions, the so-called "Amber alerts." Text messaging has become a popular form of communication, with more than 48 billion messages sent each month, according to CTIA-The Wireless Association®.

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