What guardrails should be in place when insurance companies make venture capital investments? : This fall, Headspace—the trendy mediation app—joined with Ginger in one of the first megamergers in the digital health space. For Ginger, the merger was a long time coming. Over the course of a decade, it went from an MIT Media Lab mobile app designed to track user behaviors to a sleek virtual platform for mental health care with unicorn status (a valuation of over $1 billion). Under their new corporate banner, Headspace Health, the combined value of both companies rose to more than $3 billion.