— Eric Enge and Stephan Spencer and Jessie Stricchiola and and Rand FishkinIntroducing a bit of variety allows Google to also provide a satisfactory answer to those who are looking for something different from the government pages. Google’s testing has shown that this diversity-based approach has resulted in a higher level of satisfaction among its users.
Replicated under Fair Use from The Art of SEO by Eric Enge and Stephan Spencer and Jessie Stricchiola and and Rand Fishkin.