Despite its name, Google Reader had up until now three levels of use: Reader: read RSS items Linkroll: share RSS items with friends Social network: converse on these shared RSS items with these friends What was nice about this is that you could exchange and comment on posts within the flow of reading them. Unfortunately,| Thomas Park
The hallmark of Google Plus so far has been Circles. In contrast to Facebook where you're either a friend or you're not (until you put people into lists), Circles has you categorize people as friends, family, coworkers, etc. right from the start. This compartmentalization is meant to make targeting specific audiences and managing privacy easier.| Thomas Park