All those postings about sore throats, kids with tummy aches, and parents with runny noses can provide vital clues to public health.
Sickweather.com uses social media updates to follow outbreaks of the flu,
allergies and other illnesses
around the country. Sickweather scans Facebook and Twitter for posts about
sickness and gathers the data
to form an interactive map showing the areas with the most statuses about