For those of us unfamiliar with the world of YouTubers, the video platform and its celebrity culture is a strange, intimidating land.
Basically, all we know is there is a lot of drama and sometimes that drama (remember James Charles and Tati Westbrook?) goes beyond the YouTube bubble and enters the consciousness of well, everyone else.
Fans and social media users have dug deep to the depths of old YouTube, podcast and Twitter content to find offensive, racist and disturbing incidents that are now popping up all over the internet.
In the last couple of weeks many different YouTubers, including some of the platform's biggest names, have apologised for problematic content from their pasts, either on their own accord or after being prompted.
The names Jenna Marbles, Shane Dawson, Jeffree Star and Tati Westbrook in particular, have been all over social media recently. We've broken down each of the issues surrounding these names, plus a few more.