Some 78% of pages analyzed included elements that were owned by Google. Such elements represent a number of hosted services and use a variety of domain names: they range from traffic analytics (google-analytics. com), advertisements (doubleclick. net), hosted JavaScript (googleapis. com), to videos (youtube.com). Regardless of the type of services provided, in some way all of these HTTP requests funnel information back to Google. This means a single company has the ability to record the Web activity of a huge number of individuals seeking sensitive health-related information without their knowledge or consent.