I don't know if this has been discussed but did you guys see that there is an actual symbol for sarcasm!?
US company invents, sells sarcasm emoticon symbol SarcMark
US company invents, sells sarcasm emoticon symbol SarcMark | News.com.au
Sarcasm punctuation mark aims to put an end to email confusion - Telegraph
"The symbol a dot inside a single spiral line can be installed onto any PC running Windows 7, XP or Vista, as well as Macs and Blackberry mobile devices."
US company invents, sells sarcasm emoticon symbol SarcMark
US company invents, sells sarcasm emoticon symbol SarcMark | News.com.au
Sarcasm punctuation mark aims to put an end to email confusion - Telegraph
"The symbol a dot inside a single spiral line can be installed onto any PC running Windows 7, XP or Vista, as well as Macs and Blackberry mobile devices."