Sometimes we wish to highlight a certain phrase, a specific finding that we find out in the open web. Yet sending a link in a chat or copy and pasting a snippet into a discussion can sometimes lead to lose the information. Whyfore people annotate the web with written language and tags, which helps to build a layer of background knowledge and sources that can be reused elsewhere.
I have created a private Hypothes.is group for IN COMMON, which you can join with the following link:
Note that it is currently not possible to create an open and public group, which I would have preferred.