They didn't invent the tablet, they invented the tablet as we know it. It consider that to be a much harder thing to do. The concept of the tablet hardly needed

They didn't invent the tablet, they invented the tablet as we know it. It consider that to be a much harder thing to do. The concept of the tablet hardly needed inventing, just watch Star Trek, it was pretty obvious. The less obvious is the "how" (what you call the execution).