What is a specific example of a technological shift?

Continuing innovations in different scientific and engineering fields such as lasers, robotics, biotechnology, food preservatives, medicine, telecommunication and synthetic fuels have provided numerous have all been responsible and creating new business. opportunities and threats for many different enterprises. Shifts in demand from vaccum tubes to transistors, from steam locomotives to die seland electric engines, from fountain pens to ballpoint, from propeller airplanes to jets, and from typewriters to computer based word processors.