https://media.commonshub.social/videos/watch/f3cb7cef-e480-4741-8c2b-b149de8a1cc6 Casey Kolderup uses the Postmarks social-bookmarking project to examine what it means to design ActivityPub software that is not another microblogging timeline. The talk explores interoperability choices, ethical design questions, and how diverse federated applications can communicate while preserving their own purposes and minimizing harm. Casey Kolderup — FOSDEM 2025, Social Web Devroom Original recording courtesy of FOSDEM. Licensed CC BY 2.0 Belgium. Source: FOSDEM event page Sun, 04 Oct 2026 20:12:43 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://media.commonshub.social https://media.commonshub.social/lazy-static/avatars/accbb06d-5e11-4bda-b0ea-ae4aee8f29d1.png https://media.commonshub.social/videos/watch/f3cb7cef-e480-4741-8c2b-b149de8a1cc6 All rights reserved, unless otherwise specified in the terms specified at https://media.commonshub.social/about and potential licenses granted by each content's rightholder.