Let’s face it: people lie. We lie to each other and to ourselves. How is the rewiring of communication in the digital revolution changing how we lie and how we trust one another? How can we trust that online review, or that text message about someone being on their way? In this talk we’ll go over the state-of-the-art in deception detection research on how to spot a liar online, explore some new forms of deception, and examine how different technologies affect both how we lie and trust online. The talk reveals several key principles that can guide how we can think about deception and truth in this new digital age, and we’ll address the issue of deception and trust in the current presidential election.