In recent years, the advertising world has been in favor of the hyper-focused algorithms of Facebook and Google to address their customers more personally. Television channels watched with dismay as the Internet became the new advertising mecca. But it's not all roses and moonshine online either. Advertising blockers are widespread and advertisers often do not know whether their message has been clicked on by a human or a (ro)bot. As a result, advertisers invest too much money in advertising on the Internet, while television is by far the most powerful medium, says Australian media professor Karen Nelson-Field after research.