Smiling and seeing someone's mouth is a key component of social interaction. But as KCBS Radio's Carrie Hodousek reports, months of wearing a face mask is forcing us all to start finding new ways to use non-verbal communication.

<p>Smiling and seeing someone's mouth is a key component of social interaction.&nbsp;But as KCBS Radio's Carrie Hodousek reports, months of wearing a face mask is forcing us all to start finding new ways to use non-verbal communication.</p>

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