It's often remarked that technology has made the world a smaller place. While this has been especially true for those with the wherewithal to buy the latest gadget and to travel at will, but it's also true for economic migrants. Those technological ties are one of the key research interests of Mirca Madianou, a reader in the Department of Media and Communications at Goldsmiths, University of London.

In this Social Science Bites podcast, Madianou details several foundational shifts "transnational families," those families where breadwinners -- and prospective breadwinners -- head far away to help support their family members back home. She's charted both an intensification of global migration, and also the feminization of migration -- women are as likely to migrate as men. And in the last decade, communication allows those women to "mother at a distance," a very signal change from the days when the only contact a family member might be able to muster at will was a fraying photograph.

In conversation with David Edmonds, Madianou also addresses "humanitarian technologies" -- the ability to reunite people pulled apart by crisis or disaster. While these technologies serve as beacons and also monitors of charitable response, they also provide a forum for emotional discharge, she explains. "... [T]his digital footprint, this digital identity, ... became the focal point for mourning rituals and for grieving, and that was a very important function that social media played."

Madianou joined Goldsmiths in 2013, and for two years before that was a senior lecturer at the University of Leicester. From 2004 to 2011 she taught at the University of Cambridge, where she was Newton Trust Lecturer in Sociology and Fellow of Lucy Cavendish College. She wrote 2011's Migration and New Media: transnational families and polymedia (with Daniel. Miller) and 2005's Mediating the Nation: News, audiences and the politics of identity, in addition to be an editor for 2013's Ethics of Media.