Face-to-face communication also helps us to understand and share others' emotional states
Conventional face-to-face social interactions allow the development of multiple neurocognitive processes and related neural networks that support our ability to infer others mental states and other social cognitive abilities. Humans get used to face-to-face communication, which delivers social information about others mental states and facilitates the development of the neural network consisting of the dorsal medial prefrontal cortex, temporoparietal junction, and temporal pole for inference of others mental states or theory-of-mind ability. Face-to-face communication also helps us to understand and share others' emotional states and develop empathy-related neural networks consisting of the anterior cingulate cortex, anterior insular, and the somatosensory cortex.
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Your example
The great paradox of the brain is that everything you know about the world is provided to you by an organ that has itself never seen that world. The brain exists in silence and darkness, like a dungeoned prisoner. It has no pain receptors, literally no feelings. It has never felt warm sunshine or a soft breeze. To your brain, the world is just a stream of electrical pulses, like taps of Morse code. And out of this bare and neutral information it creates for you—quite literally creates—a vibrant, three-dimensional, sensually engaging universe. Your brain is you. Everything else is just plumbing and scaffolding.