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We're all used to having a phone provide every conceivable service, so naturally we've been wondering when it would start warning us we were about to get sick, too. The day has arrived! Well, kind of: A new program from cold-cure makers Zicam, currently on the T-Mobile G1 and coming to the iPhone, announces what percentage of people in any zip code have respiratory illnesses, and the symptoms they're suffering from. So on those days when you just sense it's a bad idea to leave the house and mix with other humans, your phone will not just be your companion, but your trusty enabler.