I don't remember exactly when, but maybe around 2007, my cousin sent me a video where a man was essentially interacting with a tablet that was sitting on a table. It had an assistant that was helping him with everyone - he was putting together a presentation about a forest (I believe), I think he asked it the weather, set up meetings, etc.

It was an amazing thing to watch unfold.

To this day, I can't for the life of me find that video and really wish I could.

As I was reading through that paper, it reminded me of it.