The account https://bsky.app/profile/wjmaggos.bsky.social is encouraging them to bridge to Mastodon.

Describes all Fediverse services.

Existing Bluesky acccount @milan-zimmermann.bsky.social -> Fediverse bridged account @milan-zimmermann@bsky.brid.gy: - From Bluesky account @milan-zimmermann.bsky.social, follow account @ap.brid.gy (note: 'ap' is a ActivityPub/Fediverse speaking account on 'brid.gy') - Fediverse users will see you as @milan-zimmermann.bsky.social@bsky.brid.gy (note: 'bsky' means a Bluesky-fed account on 'brid.gy'

Core documentation for Fediverse bridging (bluesky, web, etc)

Existing Fediverse acccount @milan_zimmermann@mastodon.social -> Bluesky bridged account @milan_zimmermann.mastodon.social.ap.brid.gy: - From Mastodon account @milan_zimmermann@mastodon.social, follow account @bsky.brid.gy@bsky.brid.gy (note: 'bsky' is a Bluesky speaking account on 'brid.gy') - Bluesky users will see you as @milan_zimmermann.mastodon.social.ap.brid.gy (note: 'ap' is a ActivityPub-fed account on 'brid.gy'

At the heart of Spritely is Goblins, its distributed object programming environment.

Any app that implements ActivityPub becomes part of a massive social network, one that conserves user choice and tears down walled gardens. Imagine if you could log into Facebook and see posts from your friends on Instagram and Twitter, without needing an Instagram or Twitter account.“