Borders are liminal, notional spaces made more unstable by unparalleled migration, geopolitical ambition and the use of technology to transcend and, conversely, reinforce borders. Perhaps the most urgent contemporary question is how we now imagine and conceptualize boundaries. And, as a result, how we think about community. In this special issue are stories of postcolonial maps, of dissidents tracked in places of refuge, of migrants whose bodies become the borderline, and of frontier management outsourced by rich countries to much poorer ones.
