In a world in which we are drowning in oceans of data, the ocean itself is a data dead zone. Ships carry 90% of global trade, but when they move out to open sea we basically lose them. Now tech and connectivity is transforming the 71% of the planet not covered by land. What does this mean for trade, defense, fishing, piracy, the environment and even human trafficking? Will tech and geospatial intelligence bring transparency to what happens at sea?