Yik Yak is an app that allows users to communicate anonymously with anyone within a 10-mile radius. At Colgate University in upstate New York, the anonymity brought out a particularly vicious strain of racism that shook the school.

In this clip, Colgate student Melissa Melendez describes the anonymous messages she was seeing about herself on Yik Yak after taking part in a protest.

Excerpt from Reply All #9 - "The Writing On The Wall"

A show about the internet, hosted by PJ Vogt and Alex Goldman.  From Gimlet.