Discord co-founders Jason Citron, CEO, and Stan Vishnevskiy, CTO.
Courtesy of Discord

Long the top gaming chat platform, Discord has evolved into the online forum of choice for many communities—from houseplant aficionados to movie buffs. Its 19 million weekly active servers give 150 million monthly active users semi­private rooms to connect around specific interests via voice, video, and text—for bad or good. In April, one user was charged with sharing dozens of classified documents in a Discord group in one of the most significant national intelligence leaks in U.S. history. At the same time, Midjourney, a text-to-image AI server, has ballooned to over 17 million members. “That multiplayer aspect has made this a really exciting place for new things,” says senior VP of product Peter Sellis.

More from TIME

A weekly newsletter featuring conversations with the world’s top CEOs, managers, and founders. Join the Leadership Brief.

More Must-Reads From TIME

Write to Megan McCluskey at megan.mccluskey@time.com.

Major League Baseball
Kim Kardashian Loves Your Body
Novo Nordisk
Kia America