We consider the following list of resources to be our Swiss Army Knife for content curation.
These content resources work for us. Explore others that are more reflective of your "marketing domain".
Co.DesignEntrepreneur
OpenForum
Inc.
Fast Company
Wired Magazine
Harvard Business Review
Good Reads Quotes
Alltop
Mashable
Huffington Post
StumbleUpon
If you find some great content curation resources, please let us know. Sharing is good!