Here is an interesting item about how something we take for grant it can make a huge impact.
can take people a while to grasp the implications of a new communications
system. When Thomas Edison invented his improved telephone receiver in 1877, he
thought it would become a medium for broadcasting concerts and plays to remote
auditoriums. For twenty-five years after radio was developed at the end of the
nineteenth century, people chiefly regarded it as a means of ship-to-shore
communication. "Then there's the US Postal System. For the first half
century after its founding, its main function was to circulate newspapers to a
national audience. Not that you couldn't send letters, too, but the rates were
much higher than for periodicals. In 1840, sending a letter from Boston to
Richmond cost 25 cents a sheet, at a time when the average laborer made 75 cents
a day. Postal inspectors were always on the alert for people who sent each other
newspapers at the cheaper rate and added coded personal messages by putting pin
pricks in certain letters.