"Do you know what happens when you assume?" he asked not expecting an answer.
I hesitated, "I'm not sure."
"You make an 'ass' of 'u' and 'me'."
People will assume. If you are not assuming at least a little you are probably not even thinking. The trouble is not the assuming exercise but rather forgetting it is an assumption and not fact.
Back then most all interaction with each other took place in real life. Even a phone call could provide voice cues with regards to urgency, emotions. In the virtual world of twitter, blogs, FB, G+, chat, etc. we interact with plain raw text.
Assuming has become more dangerous.