Wi-Fi gadget finds home in hospitals Summary: ZDNet's Patrick Houston looks at a voice-activated Wi-Fi system that allows people to communicate in settings such as hospitals and schools. May 23, 2003 -- 17:42 GMT (10:42 PDT) Loading... Please wait. Topics: Health, Networking, Wi-Fi Kick off your day with ZDNet's daily email newsletter. It's the freshest tech news and opinion, served hot. Get it.