If you were out of high school before the year 2000, you're probably safe. Anybody who graduated after that time may have an Internet trail that can follow them through life, especially the people who attended school in the age of social media.
Misuse of social media can hurt social lives and grades, sometimes with very grim consequences. Ana Homayoun has made a career of counseling young people through life's challenges.
She takes up the current issues in her book Social Media Wellness.
We repeat our interview with Ana from 2017.