Some people and even organizations believe that smiley faces, winks and other symbols of digital emotion are unprofessional, undignified, and have no place outside of a high school hallway.

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And I was just so overcome by emotion because at that point of time, you know, after 17 films, you have no self confidence left.

CNN: Interview with Abhishek Bachchan

They are not tangible, they hold no water, and, yet, the best ones have the power to immediately elicit potent, visceral, human emotion.

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