Dan talks with Aaron Gouveia (aka @DaddyFiles) about what happened when his 5 year-old son Sam was bullied at school for wearing nail-polish, and Aaron decided to tweet about it.
"Twitter is never going to be a social media paradise, and the company must continue to improve its moderation. But there are still times it can be used to reflect the best of us, and not the worst."
Go deeper: Read Aaron's tweetstorm and Rob Gronkowski's reply