https://www.vox.com/podcasts/2020/7/1/21308153/the-ezra-klein-show-the-shallows-twitter-facebook-attention-deep-reading-thinking

“But what McLuhan believed is that the communication technology itself shapes the way we perceive things and the way we communicate in ways that we’re pretty much oblivious to because we’re so focused on the information coming through the medium.

In the long run, he thought the technology’s way of shaping the way we think ultimately had a much greater effect on us and in our lives than did the content flowing through the medium, whether it was television or the internet or whatever.”