Have the flu? Tweet it. Diarrhea? Review it. Help identify outbreaks.

When it comes to social media, oversharing is the new norm. When #flu season comes around, everyone on Twitter becomes inundated with talk of runny noses, strangers sneezing on their morning commute bus ride, and avoidance of the airport. People update their statuses on their interactions, frustrations, struggles and even locations. When a friend is not feeling well, they may post about it on social media and get an instant influx of well-wishes, commiserations and treatment recommendations in return. Some may search the Internet for…