Ads were not only a different color, they were also limited to the margins of the page and did not appear in the list of search results. As a matter of fact, w

Ads were not only a different color, they were also limited to the margins of the page and did not appear in the list of search results. As a matter of fact, when Google was the scrappy new underdog, they used to make fun of the legacy search engines for the practice of mixing ads into the list of search results.