Every minute of every day there are about 347,000 tweets on Twitter. On Facebook there are 293,000 statuses. Four hundred hours of YouTube videos are uploaded.
"We want to look at what kind of emotions people express, and then we will focus in particular on negative emotions that might show some early signs of possible mental disorders, It could be depression, it could be anorexia, it could be other kinds of early mental illness signs."The researchers intend to develop tools that could be used by doctors, psychologists, school counselors and other researchers that would enable them to flag certain patterns found in posts by those using social media.