Editors + Social Curation
Digg adds an additional editorial layer to speed up breaking news and stories beyond curation; http://eicker.at/Editors
Rivera, Techmeme: Aggregation works best for industries where ideas can change views of people; http://j.mp/c7Qd4v
Tip @Techmeme suggests stories to Techmeme via Twitter; works even with shortening services: http://tr.im/dgh7