About seven percent of U.S. mobile subscribers use the push-to-talk feature, representing about 18 million subscribers, and most of those users are in a few business verticals, says Compass Intelligence.
While 12 percent of respondents to a Compass Intelligence survey currently use PTT, nearly 69 percent indicated no interest in the service, indicating that there is a limited addressable market for this service, Compass Intelligence says.
In a 2007 In-Stat survey, for example, PTT was the only category out of six that declined between 2006 and 2007 about 17.5 percent. Researchers argue that text messaging supplies a similar value for many users.
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