This has gotten way worse now that we have Tumblr and Twitter. Tumblr is just crazy about sassy.gif posts. As for Twitter, I would have never imagined that the hashtag would become this generation's </sarcasm>.
Maybe it is just that the Internet is more popular than it was in the 90s. On the other hand, I think rich media offers more opportunities to be snarky, and of course we are going to take advantage of this. #smh #justsayin