while i consider sarcasm a key part of my own personality i have discovered that it doesn't travel well through the internet. Turns comments that should be chuckled at into "duh" statements.
Funnily enough I was just writing about this today reference Twitter. I liken it to people trying to get to me about diets or travel... I feel slightly offended.
Added by David Palmer at 10:59am on September 15, 2011