Half the comments here are just pointing out that ad blockers exist, which is missing the point. The damage of an advertising-based internet economy is not limited to just "seeing ads." The entire content and structure of the internet is warped around this economy. Search engines, SEO, content discovery mechanisms, types and variety of content... all could have been different and better.
"The best minds of my generation are thinking about how to make people click ads. That sucks." - Jeff Hammerbacher
Although, Millenials seem to be pretty annoyed by all this, and aren’t really anywhere near retirement yet. So maybe we can figure out some way to apply the brakes.