>>I think the "???" is more of an expression of disbelief, along with the question. The sort of thing that would make a military person say "Whiskey Tango Foxtrot" if you get my drift. Example: "I have 2 prg's that I compared with WinDiff and they are exactly the same, but one runs and the other doesn't. WHAT is going ON???"
>>
>>As far as the IMO, I think overuse of that is pretty crazy, but I can also see a use for it. When you are stating a known fact (possibly from a help file, or from MSDN KB??? <--rhetorical '3 question mark' question :)), it is not your opinion. If you are just speculating, you may want to let folks know you are just speculating. IMO :)
>>
>>jfh
>
>This is a special punctuation to express his feel.
>
>1. disbelief - ask for real
>2. rant - WTF... blaming..
>
>There will be another punctuation.
>
>!?
>
>For example:
>
>A: xxxxx
>B: Are you kidding !?
>A: No kid at all !
>
>! - Unexpected and suprised
>? - unbelievable and ask for real
>
>Do it mean the writer with poor writing skill !?
>I don't think so!

Exactly