A new kind of electronic appliance known as the Content Transformation Engine (CTE), from San Jose, Calif.-based Cisco Systems Inc., is designed to expand how standard web content can be served to a variety of computing devices, including cellular phones and handheld personal digital assistants (PDAs).

Some educators believe the small, relatively inexpensive, handheld computers are the future for "anytime, anywhere" learning. The CTE, as described by Cisco, should accelerate that trend by expanding


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