Depending on if there are caps, or where they are/how arranged, here we go on text exotes:
1.)
o.o : blank stare, as in "You've just lost me" Or "I care about this...Why, again?"
2.)
O.o ;
o.O : Confusion, usually used together.
3.)
O.O : Suprise, shock.
1.)
Person: (insert technical jargon here)
Me:
o.o
2.)
Person: and because of this, such evented happened, at such time, for such reason.
Person: You get it now?
Me:
O.o
Me:
o.O
Me: That was supposed to be helpful?
3.)
Person: (I'm blank on ideas, but anything that would
suprise me)
Me:
O.O
Me: Really?!