These were the direct ancestors of the "co-location" and "direct data feeds" that have enabled high-frequency traders to get first crack at market prices on today's stock exchanges.
Yet it is this very palpability within a landscape that makes many people believe that the Parthenon sculptures should be viewed, not in the grey light of their London vault, but within direct view of the location for which they were created.
If customers are publicly broadcasting their whereabouts, it makes sense to take advantage of that in a direct way, rather than conspicuously floating location-aware ads on their phone browsers.
The Foveon X3 direct image sensor captures all primary RGB colors at each and every pixel location with 3 layers, ensuring the capture of full and complete color.