Leonardo de Vinci used the phrase Saper Vedere-- knowing how to see --to express his idea of making connections between diverse observations. That is how he developed those forward-thinking flying contraptions from watching birds in flight or how he saw, in ripples of water or human hair waving in fluid air, designs for his paintings. Nowadays, we might call Leonardo's approach connecting the dots or seeing the big picture. Visualizing insights or patterns in gathered data is no less ...