This theory is one of the main McLuhan ideas that has stuck with me through the rest of my readings. The fact that we as a culture cannot get past our own successes in order to further them boggles the mind (at least my mind). But it is completely true, sadly enough. I feel like, at least for me, I can't get past one thing until something else has happened. I couldn't get past the fact that I had a discman, until the iPod was introduced to my life. And now that I have an iPod, which I cannot live without (see a later blog post to understand more) it is hard for me to grasp how technology is developing past that.
It's pretty similar with the world of media and technology, which is why the theory was mentioned in the first place. Everything is based on what has been done, we model our new creations on what we have already achieved. This, to me, is something incredibly strange and yet still understandable. You work from what you know, and what you know is something that has already happened, so it's logical that the rear-view mirror theory is the one that would be used most. But what makes it tricky is that an enivronment doesn't become real until it is followed by the institution of another.
All in all, it seems to me like this theory is one of the most relevant, and yet still entirely confusing. Slowly but surely, I am beginning to understand the circles that Marshal McLuhan speaks in.
Happy blogging:)