Lament for the lonely pixel

How many pixels are captured but never looked at; how many pixels could be captured but aren't?

Captured by a CCD in the sky,

Never looked at by a human eye.

There is something enduringly melancholic about mechanisms that run but seem to have been forgotten by people. The obvious Hollywood example of WALL-E strikes a chord, leaving the viewer to wonder what happened to the people on the empty planet. Today, we can see these systems now around us. R…