The study found that high-speed Internet access throughout the house ranks as the most popular reason for structured wiring, followed by monitored security systems, and then the ability to play music from one stereo system in several rooms.

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Some home builders, such as Centex (nyse: CTX - news - people ), have started to include structured wiring in about 40% of their new homes, while Pulte (nyse: PHM - news - people ) has pushed that percentage to between 60% and 70%, says Michael Creeson, an analyst at Parks.

FORBES: Home Networking's New Push