There is a lot of noise about Mastodon right now, given Elon Musk’s takeover of Twitter. Here’s my explainer. First, look at https://fediverse.space/instance/mastodonapp.uk, an interactive tool to explore the Mastodon space. In the first image, each dot is a server in the federated space (‘fediverse’) and the links show the strength of connections to other servers – also called ‘instances’. …