You can see and comment on write.as posts from other ActivityPub (AP) platforms that support it like Mastodon. It's up to the platform to implement it since the

You can see and comment on write.as posts from other ActivityPub (AP) platforms that support it like Mastodon. It's up to the platform to implement it since the AP specification leaves implementation details mostly up to the implementor. A recent discussion here on HN covers it pretty well: https://news.ycombinator.com/item?id=23852036 https://news.ycombinator.com/item?id=23852036