How Has Espionage Spying Changed With the Advancement of Technology?

How has spying changed with the advance of technology? We tend to fix eiht upon this now, with no ciber or computers and nobofns. But we can go back 100 years on like that, whenever, whenever. The first big technological innovation affected intelligence work was wireless transmissions. One of the great innovations sente by the americans in the coga was the use of satellites. And actually, if we look at what some people think will be the big innovation in the future is is around computing.