choose conversion tracking. Adwords customers will learn the total number of users who clicked on their advertisements and were forwarded to a page with a conversion tracking tag. However, they will not [...] Facebook. For users logged in to, e.g., Facebook, this means that usage data will be assigned to their personal accounts. If you activate the buttons, i.e., the plugins of Facebook by, e.g., submitting [...] Ave., USA (hereafter: "YouTube")—and represented by Google Inc. These plugins may be recognized by their YouTube logos (e.g., a white on red "Play" symbol or "YouTube" on black/red/white). Opening pages