CaptainSpam is a user on octodon.social. You can follow them or interact with them if you have an account anywhere in the fediverse.
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I now wonder if you can easily embed Mastodon (GNU Social, etc, etc) into a website, much like how people do with Twitter. I'd think it wouldn't be hard, given you should just be able to read from the API...
@captainspam oh yeah a widget would be great!