A recently released app that offers free text messages on the iPhone is welcome news to parents of teenagers upset over the cellphone bills of their hypertexting children. But can it be a sustainable business?
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Mr. Lahman thinks textPlus has some advantages that will enable it to make more money from advertising than mobile Web services have so far been able to do. For one, about two-thirds of its users are teenagers, which makes sense, since the Pew Internet and American Life Project found that texting is teenagers’ top communication activity.
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