[...]

"This situation resembles the one foreseen by the futurist and
science-fiction writer Philip K. Dick, who died in 1982. He depicted
a world devoid of vacant space, where every conceivable surface is
plastered with advertising. In that world, commercials are no longer
confined to television; they have evolved into free-flying robotic
pests that hypnotize consumers into buying that new car and smoking
the hot new brand of cigarettes.

[...]

"At least for the moment, a medium that was hailed as the ultimate
venue for education and self-improvement is mired in the age-old
conflict between the salesman who wants his foot in the door, no
matter what, and the angry person who wants nothing more than to be
left alone.