7. David: How about predicting epidemics?
Sarah: Only if we knew the location of Twitter users!
David: How about predicting the location of Twitter users?
Sarah: Yes, Let’s do that. Let’s exploit language!
8. bludger means someone really lazy.
Language is geographically biased. If a Twitter user uses
“bludger”, she is probably from Sydney.
9. Sonny: What else can we do with language?
Skippy: We can measure distant classroom engagement!
Student’s language
classroom’s average language
converging
diverging
something bad happened here
People’s language becomes biased toward their communities
gradually.