Twitter could become a key tool in the fight to contain the spread of illnesses and viruses if a new mapping technology that examines the health-related tweets of users takes-off. The graphical mapping system, called Kazemill, is an online service that alerts users to the spread of illnesses by monitoring Twitter activity and sifting for relevant data from Tweets on an hourly basis. Kazemill, which shows real-time data on a colour-coded map to show the spread of symptoms that Twitter users are complaining about, has been developed by IPG-owned ad agency McCann Healthcare Worldwide.

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