Odd. Using Safari, Chrome or Firefox on a Mac, I can see them. Fire it up in Win7 (got Bootcamp) and in Explorer I can't see them but in Firefox and Chrome I can.
I think the way forward is to rely on erudite wit rather than dumbing down for the benefit of the old folk.
Shut up Musket old son.. Whether it be emoticons, squares or text, its all folk music.