In Part 2 of our talk about migration, we’ll explore exactly who migrates and what their impact is on both the receiving country as well as their country of origin. In the continuation of his interview, Dr. Castelli discusses the important role of shared language and how social media impacts migration in both negative and positive ways. Data from this episode can be found at https://www.iom.int . The International Organization for Migration is affiliated with the United Nations and studies the impacts of migration globally.