the key late-nineteenth-century tecchnological innovation in communication was : Phone
Which allows us to contact our peers directly on the line without having to wait for weeks for the a latter.
Technological innovation for productivity would be : A computer,
Which allow us to stored a lot of files without having a mountain of paper lying on the floor of the office
The ocean transportation innovation would be : An airplane
which allow us to cross the continents within a shorter period of time
