Mastodon has almost doubled its userbase since Elon Musk took control of Twitter last month. Here's what you need to know about the platform.

“Mastodon was founded in 2016 by German software developer Eugen Rochko. Unlike Twitter, Facebook, Reddit or any other popular social media site, Mastodon is a nonprofit, meaning that, ideally, its goal is to benefit the public, rather than shareholders.”