Tony Barra, president of Internet Home Alliance, holds a PDA while standing near a web camera Wednesday, March 6, 2002, in Walled Lake, Mich. Internet Home Alliance is about to launch a trial in which home appliances, security systems, garage doors and even web cameras would be hooked together and the home-owner can access these devices over the internet using PDA's or computers. (AP Photo/Duane Burleson)

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