Coming Soon to a Body Near You? World's Smallest Chip to Be Swallowable

Dumb things will soon be smart--you've heard it repeated ad nauseum. Cyborg-Earth will bristle with uncounted hordes of tiny embedded chips; smart-roads will talk to smart-cars, warning of black ice; smart-buildings will hold court with smartphones, regulating temperature and lights to match prefences and schedule; trees, oceans, and glaciers will dutifully report real-time conditions to scientists.