Search – Dogpile.com

Dogpile is a search engine that amalgamates search results from all major search engines. Their main source of revenue comes from advertisements. On the main search page, they have an advertisement for one of their own products/extensions.

Advertisement for their own product on Dogpile.com

Once you search for something, the search page contains a banner of scrollable shopping ads followed by sponsored results.

Banner of shopping ads and sponsored results.

Not only are they running advertisements, but almost the entire half of the search results page are ads. This increases the chance that someone will click on them either on purpose or by accident.