This is a decent use-case for the elastic networks that Color touted ... if a social network was pulling all the public activity from those in the vicinity into

This is a decent use-case for the elastic networks that Color touted ... if a social network was pulling all the public activity from those in the vicinity into an automatic, temporary group that people could follow, the result would filter out people just using the hashtag to comment and leave a feed of raw on-the-spot info