Though a bit extreme, the individual components are definitely there across various webpages. Certainly it is annoying. The fact that we can control whether or not we see them is somewhat remarkable, considering conditions under the dominance of TV: mandatory commercials and high cost subscriptions.
Today, the internet is in the process of wrestling that control back from us, driven by the lucrativeness of ad revenue. Ideally, the revenue user subscriptions would obviate the need for ad revenue, but sadly, this is not the case.