On this week’s show, host Lizzie O’Leary returns to discuss invisibility in the economy and personal finance. Republican media strategist Rick Wilson speaks about the invisible primary and Marketplace’s Molly Wood talks about hidden bluetooth beacons and how they’re changing advertising. UC Irvine’s Alon Gorodetsky explains how squid could change military camouflage. Later, we hear from scientist Max Ortiz Catalán about the latest treatments for phantom limb pain, and from a survivor of trafficking about the journey from invisible to visible.