No way I could pass on pointing to the Debby Richman blockbuster post.
Wharton says: Online recommendation engines may chop off Long Tail of Search.
Prick up your ears, Chris Anderson
Wharton to Chris: "Long Tail? That dog don't hunt."
When the Wisdom of the Crowd wags the dog, Beware of Wharton's Dogs.
Cry Havoc! And let slip the Dogs of Wharton.