Object matrix – Bruce Sterling.

Object	User	Epoch	Breakpoint
Artifacts	Hunter-gatherers and subsistence farmers	Â	Â
Machines	Customers	Industrial society	Â
Products	Consumers	Military-industrial complex	Â
Gizmos	End-users	“New World Disorder,” a “Terrorism-Entertainment Complex,” our own brief interregnum	Â
Spime	Wrangler	Â	Â