I believe a program can be written to scan text such as an email, story or article in Western Languages, which might indicate a pattern which maybe of valuable insight. By Down Scrolling Text, which we have all done, whether thinking about it or not, we will most likely Find Patterns Which Indicate Hostile Intentions, sadness, stress or vengefulness. Perhaps you can determine intelligence levels, etc. Try it sometime. Read 10 pages of text from an individual and then put yourself in the writer