This post concerns an Apple patent application for a device that switches from a lecturer to his or her slides. If you ask me, this one falls under the 'obvious' category. And I love how the images in this Apple patent application look like they came from the 1950s.
![](http://images.appleinsider.com/patent-080717-1.gif)
![](http://images.appleinsider.com/patent-080717-1.gif)
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] [![Image from the website](https://downes.ca//files/images/post_45373.jpg)