Marketing is the shittiest profession in the world, because it's all about how to manipulate people to think or do what you want them to. More likely, it's about trying to make them think or do what someone else wants them to. Advertisers and market researchers have to constantly navigate the fact that no one wants to fucking talk to them because they suck so hard, so they do things like pretend to be Average Joes on forums, or update their own wikipedia pages, or manufacture amateurism in those bullshit viral videos. The best marketers are the best liars. The really great, super-rich ones, are the guys that have learned to lie to their friends, their family, and themselves, and do so every day of their lives.

Proof that advertisers use metrics and not common sense: