clickforbusinesslearning
Probably the kind of site that should be more widely read than it appears to be, and a look at clickforbusinesslearning reinforced that quiet wish, the gap between a sites quality and its apparent reach is sometimes large and that gap exists for this site in a way that makes me want to mention it more.
learnfrommarketleaders
Reading this prompted me to dig out an old reference book related to the topic, and a stop at learnfrommarketleaders extended that connection to other sources, content that connects me back to my own existing knowledge rather than asking me to forget it is content with continuity and this site has that continuous quality.