Microsoft, Sony and other tech heavyweights are set to unveil a joint effort to make sure that their products--from computers to DVD players to cell phones--can communicate with each other over a home wireless network.The alliance of 18 major companies from the consumer-electronics, personal computer and mobile devices industries--called the Digital Home Working Group--will announce Tuesday in San Francisco which networking standards it plans to support, according to sources familiar with the group's plans.
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