ActivityPub has been ready for years — Mastodon, Pixelfed, Loops, even Germany's social.bund.de speak it. So why does joining the open social web still feel hard for the mainstream? The protocol gives you federation, not discovery or onboarding; those have to be built on top. We spent months building that layer and ran a closed beta with 50+ testers. This talk shares what the protocol doesn't hand you for free, the architecture we chose, what real feedback taught us and how we want to proceed.