The Mother Of All Demos is an absolute classic:
<a href="https://youtu.be/yJDv-zdhzMY" rel="nofollow">https://youtu.be/yJDv-zdhzMY</a>
<a href="https://en.m.wikipedia.org/wiki/The_Mother_of_All_Demos" rel="nofollow">https://en.m.wikipedia.org/wiki/The_Mother_of_All_Demos</a><p>I also very much enjoy Feynman’s talks. Here’s one on imagining physics: <a href="https://youtu.be/4zZbX_9ru9U" rel="nofollow">https://youtu.be/4zZbX_9ru9U</a><p>For computer science in particular, I highly recommend the first lecture in the SICP series, especially on the naming of so called “computer science”: <a href="https://www.youtube.com/watch?v=2Op3QLzMgSY" rel="nofollow">https://www.youtube.com/watch?v=2Op3QLzMgSY</a>
Last Lecture by Randy Pausch<p><a href="https://www.youtube.com/watch?v=ji5_MqicxSo" rel="nofollow">https://www.youtube.com/watch?v=ji5_MqicxSo</a>
I know this is a parody, but it still seems pretty relevant:
MadTV apple iRack Iraq war parody - <a href="https://m.youtube.com/watch?v=xcjLEwZqcQI" rel="nofollow">https://m.youtube.com/watch?v=xcjLEwZqcQI</a>
This Warren Buffett speech is really great:<p><a href="https://www.youtube.com/watch?v=2MHIcabnjrA" rel="nofollow">https://www.youtube.com/watch?v=2MHIcabnjrA</a>