I just discovered this amazing classic demo by Margaret Minsky from Atari Cambridge Research Labs, demonstrating a gestural programming system with a button box for programming with a pressure sensitive touch screen, developed by Margaret Minsky, Danny Hillis, Daniel Huttenlocher, David Wallace (Gumby), and Radia Perlman at the MIT-AI Lab.
https://www.youtube.com/watch?v=-Wq6SQTVM9M
This is one of many amazing videos from Cynthia Solomon's treasure trove of youtube uploads.
https://www.youtube.com/user/cynthiaso/videos
If you act now, you can be the 32nd person to watch this video of Seymour Papert demonstrate the Logo Turtle! ;)
https://www.youtube.com/watch?v=lDyym_9-E-g
Or be the 39th person to watch this video of Seymour Papert explaining how giraffes sleep:
https://www.youtube.com/watch?v=ha8sTgtUejM