A recent public FB post about a personal experience with depression went viral within a week. Within a week this post was reposted on numerous media outlets, and shared by others nearly 500,000 times. This post skipped to the third, affective stage, of the Social Penetration Theory.
Kays, Kristina M.; Miles, Rebekah E.; and Koch, Christopher J., "Is Social Media like an Onion?: Exploring the Social Penetration Theory as an Explanation for Viral Responses to Intimate Self-Disclosures" (2016). Faculty Publications - Psychology Department. 49.