Have you noticed that Wikipedia frequently shows up in your search results? This is not only because it is a reputable and reliable source of content, but because this content is continually updated - something that Google rewards highly. Dedicating time to a content refresh has many benefits.
The move is intended to help protect individuals’ privacy, but it will impact targeting audiences and personalising ads. The change will create limitations for businesses that use Facebook advertising for channels on iOS devices and those that drive business results through their website.