Falsehood flies, and truth comes limping after it, so that when men come to be undeceived, it is too late; the jest is over, and the tale hath had its effect.
—Jonathan Swift, 1710
This chapter starts by discussing a collection of publicly available (and mostly free) fact-checking tools that are powered by machine learning; this is to help you know what kinds of tools are available and to provide some insight into how they work. It concludes with a brief ...