Space trade, i.e., interplanetary or interstellar trade have been pondered upon Futurists and pundits since the 1960s, though science fiction writers have been envisioning such trade much earlier.[citation needed]
Space trade, i.e., interplanetary or interstellar trade have been pondered upon Futurists and pundits since the 1960s, though science fiction writers have been envisioning such trade much earlier.[citation needed]