From Snapchat filters to Google’s art selfies, biometric technology plays a growing role in our everyday lives. What do we actually give up when we upload our face to these apps? Steven Talley shares his experience as the victim of mistaken identity. Artist Adam Harvey investigates how racial bias seeps into big data sets. Emily Kennedy and Glynnis MacNicol talk about the power and risks of recognition for marginalized communities. Joseph Atick, a forefather of facial recognition technology, reckons with its future. And we head to China, where you’ll need your face to use the bathroom.