More accurate sad face emoji

In our chat room, my friends say the sadface :-( being represented as
"cry" doesn't accurately reflect the intention of of the sad face, which
is more akin to "disappointed". The emoji :'-( is cry, which I added.

From http://en.wikipedia.org/wiki/Emoticon#Creation_of_:-.29_and_:-.28

> 19-Sep-82 11:44    Scott E  Fahlman             :-)
> From: Scott E  Fahlman <Fahlman at Cmu-20c>
>
> I propose that the following character sequence for happy:
> 
> :-)
> 
> Read it sideways.  Actually, it is probably more economical to mark
> things that are sad, given current trends.  For this, use
>
> :-(

What do you think?