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1.
An HTML code that shows some funny guy's face on facebook chat. It is believed to be the last name of Facebook's programmer.
You have to enter the code on face book chat to see it.

Cool Guy: He look at this :putnam:
by Baron S. June 30, 2009
 
2.
If you type this in on a facebook chat it makes a blurred emoticon of a man's face. This is said to be the face of Ian Hecox (smosh).
Paul: Hey look at this. If you type :putnam: in a facebook chat it makes this face.
by SgtFarmfresh July 12, 2011