In summation, during a conversation or a meeting, the most important aspect is that people understand each others' emotions, attitude and feelings, and only face-to-face communication can provide this unique feature. -- Hm, and businessmen too? You think they care about each others emotions and feelings? Or UN-representatives? Do you think their personal thoughts on a matter count? No, sir. The most important aspect of any communication in general is that the information reaches the receptor unharmed, unchanged. In this case, face-to-face interaction has indeed it's advantages by either facilitating this transfer or even by augmenting that certain information.