* [Link to the specification](http://activitystrea.ms/head/activity-schema.html)
* [List of used ActivityStreams verbs and object types.](https://github.com/friendica/friendica/wiki/ActivityStreams)
* [Link to the specification](http://activitystrea.ms/head/activity-schema.html)
* [List of used ActivityStreams verbs and object types.](https://github.com/friendica/friendica/wiki/ActivityStreams)