To this end, we're launching what we're calling the “helpful content update” that's part of a broader effort to ensure people see more original, helpful content written by people
The helpful content update aims to better reward content where visitors feel they've had a satisfying experience, while content that doesn't meet a visitor's expectations won't perform as well.
– Does your content clearly demonstrate first-hand expertise and a depth of knowledge (for example, expertise that comes from having actually used a product or service, or visiting a place)?