When you speak with someone else, are you ever sarcastic? Of course you are. How do you know if someone is being sarcastic when they speak? And is there a way that we can detect that sarcasm automatically? It turns out that the answer is “yes” — we can detect sarcasm automatically, to a larger degree than you might believe. Amazingly enough, this can be done using a lot of common, open-source tools written in Python. In this talk, Rachel Rakov describes her research into the detection of sarcasm, and describes the ways in which she is using Python tools to conduct it.