You know a particular person means a lot to an audience when you can simply advertise a photo of the person & expect people to click on it. A huge amount...View More of Motley Fool's advertising uses Warren Buffett as the center of attention. Motley Fool's main product is a financial newsletter & clearly, no one is taken more seriously by their audience than Warren Buffett. His personal brand & track record is top of the line so when he talks, the financial market is listening very closely. This matches up with the first ad shown below that is estimated to be one of their most popular & long-running ads. The headline reads "Buffett Admits This Is A Real Threat". Combing Buffett with "real threat" makes this very important. Knowing about a serious threat is one of the most important pieces of information you can hear about. Think about how alerts or dangers are given special attention above everything else. That's what a threat represents. Throw Buffett into the mix and you have a big attention-grabber.