The introduction of movable type led to a dramatic increase in literacy.
The telegraph allowed communication across nations and even oceans in minutes instead of weeks.
In addition to the aspects mentioned by @blueiiznh, a medium that allows for near-instantaneous transfer of large amounts of information to billions of people changes many other aspects of our lives. Want to know about the latest on various conflicts around the world, or what your favorite celebrity had for breakfast this morning? It’s on the internet. All the information, all the time, updated by the second. That it’s a far cry from what we had as little as thirty years ago.