Spanish language version of my talk in Madrid (you hear the voice of the interpreter and view the video of me presenting).
There is also a separate video of the question and answer period that followed. Here is another web site with the same video and some more commentary. Here is a third source. And fourth.
There is also a separate video of the question and answer period that followed. Here is another web site with the same video and some more commentary. Here is a third source. And fourth.
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