It's important to note the careful hedging in that response. Specifically: * Activity Streams will be read-only, except through their (non-ostatus) API. * No

It's important to note the careful hedging in that response. Specifically: * Activity Streams will be read-only, except through their (non-ostatus) API. * No subscribing through pubsubhubbub "initially." It implies but does not promise eventually subscribing. * Similar to streams, webfinger will be published but not consumed. * From context, the final clause about inbound and outbound syndication is through some non-ostatus mechanism.