If you live abroad and see yourself neither as an expat nor as an immigrant, that's not surprising. Those are 20th century concepts for 20th century ways of living. They continue to exist in the 21st century, but millions of people are living in a new way that's having a profound impact on cities, societies and economies, yet it's hiding in plain sight. This lifestyle is roaming. Featured in Forbes, Monocle, and Italy's leading newspaper La Corriere della Sera, roaming has been labelled a -megatrend- by trend forecasting agency Nelly Rodi. easyJet Traveller magazine calls Roaming, -this...