"blekko is a consumer facing search engine focused on delivering high quality, relevant, spam-free search results. We believe search should be open, transparent and collaborative. For this reason we combine traditional algorithmic search with the expertise of our users and partners to eliminate spam and deliver results from only the most reputable, best quality sites."
"DISCERN is a brief questionnaire which provides users with a valid and reliable way of assessing the quality of written information on treatment choices for a health problem."