20 years ago: The reach and minds share of Fox News and CNN are unparalleled
40 years ago: The reach and minds share of ABC and NBC are unparalleled
50 years ago: The reach and minds share of News Radio are unparalleled
70 years ago: The reach and minds share of New York Times and other papers are unparalleled
100 years ago: The reach and minds share of the town criers are unparalleled
And Georgia demonstrates that technology matters very little even in high-stakes races. One In-person contact and live phone calls (meaning that the person from the campaign is an actual person, not a recorded message) matters more than a thousand tweets, more than a thousand Facebook posts.
AWS makes it easier not to use hardware, sure, but many campaign websites are just customized Wordpress. You can run that on any webhost, or even an old laptop in the back of the campaign office.