university of Manchester research looked at how people feel via geotagging and can make accurate predictions on health based on behavior online
the company applies machine learning Lookng at tweets and these are labelled sick or not sick
Look at what sort of impact does this sick person has as she moves throughout the city
You can report on your own health as well you can record your symptoms and location
Can use heat map and satellite views -app called germ radar it knows where the sick people are due to geotagged tweets
It can send alerts to people based on health germ alerts based on where theybare in the city
They are currently focusing on cold and flu health areas
there is also a feedback mechanism for users and there is a survey for users about how they currently feel