well, I don't see Google ads so I don't know what the content is, but no-one knows that I bought a coke after seeing an ad for a coke at the train station. but

well, I don't see Google ads so I don't know what the content is, but no-one knows that I bought a coke after seeing an ad for a coke at the train station. but it still works. the effectiveness of advertising is an empirical question.