Yet such services will be appealing only when phones have location functions built into them, Ms. Bricken added, and few currently do.

The services will appeal to the Secretary of Defense and to friends in Congress.

Orange's new service is certainly appealing from a sheer cost standpoint.

Apart from obvious rivals, are there any other businesses with customers your product or service may appeal to?

From the start, the service appealed primarily to immigrants, for whom it offered low-cost calling to their native countries.

The services could be a boon for cellular companies and could appeal to people scared about crime and about getting lost.

Such services are appealing to the growing population of adult children whose aging parents live far away.

Still, it is unclear how much these services will appeal to students.

A judge first ordered Coupat's release on December 19, 2008, but the judicial services immediately appealed, using an unusual procedure.

He said the service will appeal to investors, who are "seeking an orderly process for producing a dependable income."