This is just a try but here it goes. Personal Computers. They are not the end all be all for all things but they were relegated to novelty and something for ge

This is just a try but here it goes. Personal Computers. They are not the end all be all for all things but they were relegated to novelty and something for geeky nerds early on. Internet. Who is ever going to buy something from some one the have never seen or met. I suspect there are a lot of good examples from history but do not have them at my fingertips.