@chrismessina In the schema spec draft.

Collection:
http://activitystrea.ms/head/activity-schema.html#collection

Group:
http://activitystrea.ms/head/activity-schema.html#group

@chrismessina et al:

What's the difference between a group and a collection in #ActivityStreams land?

I’m much better at products than protocols. I'm so thankful that people like @aaronpk (& several others) designed #indieauth and #micropub.

“Tiny Queenstown” #tiltshift

https://vimeo.com/115938105

And then we ate of this food into our mouths. @ Real Food Daily http://instagram.com/p/x-EtCcsnsT/