Vladimir Nabokov looking out of his car holding a frankly primitive pencil.

弗拉基米尔·纳博科夫在他的车内看向外面，手里拿着一只非常原始的铅笔。

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Every day, holding a pencil on paper graffiti. However, it is always not draw the curvature of the corner of your mouth. Why? Is it I did not give you happiness?

每天，拿着铅笔在纸上对你涂鸦。可是，总是画不出你嘴角的弧度。为什么？难道是我还没有给你幸福吗？

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Another neat feature that takes advantage of the newfound hovering capability is the ability to toggle between brush, pencil and eraser simply by holding the pen above the screen and clicking the button.

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In research performed at the University of Clermont-Ferrand in France, subjects were asked to interpret real vs. fake smiles, while holding a pencil in their mouths to repress the muscles that help us smile.

FORBES: The Untapped Power Of Smiling