Ad clicks are studied pretty extensively.  A good search term is &quot;compulsive clickers.&quot;  The cariacature-with-a-bit-of-truth version is less-educated older white woman in Iowa.  The heavy clicking user population, roughly 4% of users, is generally believed to contribute more than a majority of total clicks.<p>This is as well-studied as you&#x27;d expect of clearly quantifiable data worth billions of dollars, and remains socially contentious.