I’m currently reading a biography of Leonardo Da Vinci written by Walter Isaacson, who also wrote a biography of Apple founder Steve Jobs. Da Vinci was an amazing man (I’m certain he’d be a street photographer were he alive today, but that’s a discussion for another day).
We know so much about Da Vinci because of the voluminous note and sketchbooks he kept, many of which have survived since his death. According to Isaacson, more than a quarter of his notebooks, more than 7000 pages, remain available to us some 500 years after Da Vinci’s death. Meanwhile, in researching his biography of Steve Jobs, with Job’s assistance, almost all of Job’s emails from the 1990’s were found to be unrecoverable.
Think about that for a bit.
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