Communication is instant, whether chat or vocal. The only difference is the space between the two participants(or many) and the context.
Expectation of receipt and response of RT communication has steadily grow.
it produces some very efficient and productive benefits but most are relational.
But time happening in between the call and response of human
Humans expect short response time.. in small communities. But now the communities are very large and global but the instinctual expectation is still there.
So what do we do Zuckerberg? We have added a sometime exceptional layer to human communication....