Want to sell medical technology? Show actors in lab coats with beakers.
Want to sell beer? Show some weathered old cowboy sitting by a river in the Rockies.
Want to create the illusion that you're selling something people need, when in reality, it's just some garbage they're peddling for money? Use stock footage like this video.
Easter Madness (can we make this a thing?) continues with this trip down memory lane -- a commercial for Cadbury Creme Eggs. Personally, the idea of yolk inside of a chocolate candy shell is gross to me, but this is still one of most memorable commercials from my childhood.