I totally agree with this, and the reason is simple: my US friends often fail to get the dripping sarcasm of my UK ones, so I don't expect a software package to

I totally agree with this, and the reason is simple: my US friends often fail to get the dripping sarcasm of my UK ones, so I don't expect a software package to. From a practical perspective, it's remarkable how often you can cheat your way out of not needing NLP. Google is in a way a prime example of that.