[bawolff]

> The invention of the telegraph changed how information is traded and the contents of newspapers, the invention of the TV changed politics, and so on.

Isn't that kind of the definition of a tool? Something that does something useful and as a result changes the way the world works (whether in a big way or a small way)? Wouldn't be much of a tool if it wasn't useful. It wouldn't be very useful if it didn't have an impact.