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Text Messages Sent by Cellphone Finally Catch On in U.S. - WSJ.com

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It also can be more private than email, since an office colleague or family member can more readily see a message typed on a computer screen. billion text messages were sent in the U.S. billion a year earlier and 253 million in December 2001, according to CTIA-The Wireless Association. billion in 2006 from $2.5 Sprint PCS.

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