Playground-Fredy.md

 Thoughts to Linked Data Types in relation to our [specification](https://www.w3.org/TR/activitystreams-vocabulary/#dfn-service).
 
+# place / POI
+Our Place / POI can be a [Place](https://www.w3.org/TR/activitystreams-vocabulary/#dfn-place)
+
+# id
+Is sure an [id](https://www.w3.org/TR/activitystreams-vocabulary/#dfn-id)
+
 # place.source.owner 
 The owner could be a property [attributedto](https://www.w3.org/TR/activitystreams-vocabulary/#dfn-attributedto) with on of that [actor-type](https://www.w3.org/TR/activitystreams-vocabulary/#actor-types)