Distraction, annoyance, graphics bloat: Web 3.0
"my 'favourite' is when you have sound down really low just so you can hear alerts/alarms etc., but then an advert decides you really want to hear it because it is sooo important..."
Perhaps I'm just getting old, but... back when I was first moving over from print to Web design about 20 years ago, one of the first things I learned was that auto-playing media of any kind was a big, fat no-no.
These days, Web designers just don't seem to give a rat's ass about annoying readers. If it isn't the big-ass fotos or slideshows which take up the entire top half of the scroll and add no information or value, it's the goddamn' auto-playing video.
For instance: http://www.mediumrarerestaurant.com/
Big fat full-window foto slideshows, text crawl -- there's hardly anything on this page that isn't useless and distracting. In fact, the only thing missing here is an auto-playing video.
I guess this would be "Web 3.0", then?