My professor used a :) in a email to the class

[Yookeroo]

@DMark

If you can write well, you don’t need to draw a picture for me to understand your meaning.

If you can write well, you probably don’t need to use commas to get people to understand your meaning. Would be kind of silly to not use them though. Smileys are just another tool in our communication workbox.

[PSXer]

deleted