The link to the YouTube video of "The Mother of All Demos" is dead. I found another one here: <a href="https://www.youtube.com/watch?v=yJDv-zdhzMY" rel="nofollow">https://www.youtube.com/watch?v=yJDv-zdhzMY</a>
Just a poor copy from this:<p><a href="https://news.ycombinator.com/item?id=7526272" rel="nofollow">https://news.ycombinator.com/item?id=7526272</a>