> If you don't notice it to any degree, it's not doing its job That's a subjective statement. The giant billboards of pepsi with a celebrity doesn't register a

> If you don't notice it to any degree, it's not doing its job That's a subjective statement. The giant billboards of pepsi with a celebrity doesn't register as an Ad as much as a recognition of someone of interest with a subliminal associative positive reinforcement of a brand. Nobody cares about what Matthew McConaughey thinks about cars, but everyone knows he's associated with a specific brand. Ewan McGregor, in contrast, is quite the motorcycle aficionado (https://moneyinc.com/five-celebrities-love-motorcycles/ https://moneyinc.com/five-celebrities-love-motorcycles/).