Texting Faces

:->   Sarcastic             :-0    Oops
%-)  Confused            :-&   Tongue Tied
[ : ]   Robot                 8-)   Sunglasses
:-D   Very Happy        (-:    Left-Handed
:-/     Skeptical             ;-)    Wink
:-#    Braces

Substituting in a computer lab can be quite informative.