On this episode of Modern Notion Daily, our guest is Christian Rudder, a co-founder of the online dating service OkCupid and author of Dataclysm: Love, Sex, Race, and Identity—What Our Online Lives Tell Us about Our Offline Selves (Broadway Books, paperback September 2015). Rudder gained some attention when he wrote the OkTrends blog for OkCupid, which analyzed user data in order to better understand human behavior. Hes compiled many of those observations into Dataclysm. Later in the hour, contributing editor Erin Blakemore gives us the rundown from Laurapalooza, a conference on acclaimed young adult author Laura Ingalls Wilder. Music this hour: “Forgiven Not Forgotten” by Jahzzar, from the album Kuddelmuddel “Soldiertype (militarised)” by Ketsa, from the album What’s Without’s Within DJ by Jahzzar