With solutions like Paper.li Paper.li. and Browse My Stuff grabbing attention, and with people like Robin Good doing a series on Real-Time News Curation , and Ross Dawson tells us has curation has hit the tipping point , it seems like the concepts of curation, aggregation, filtering are suddenly a central conversation. Of course, this has long been a conversation as Robin, Ross or I could tell you. However, what has really changed here is first the explosion of content sources.