https://www.cnbc.com/2018/07/20/health-tech-flaw-patients-hate-going-to-the-doctor.html

Digital health is one of the hottest spaces for investment, with companies raising $1.6 billion in venture capital in the first quarter of 2018 alone. Apple, Alphabet and Amazon are also making moves in the space with their own health-tracking apps and devices.

These companies are getting really good at screening populations of people for health problems before they develop into serious medical issues.