Stanford researcher Jonathan Mayer has discovered a curious Safari loophole that allows Google to track a user's browsing activity via cookie-laced web ads. As it turns out, Apple's browser normally accepts cookies from sites that a user visits, but automatically blocks them from third-party advertisers. As Mayer found out, though, advertisers can still circumvent this filter by enticing users to interact with ads in different ways. In the case of Google, the search giant e
