If you can find one, I'd be surprised. The struggle is real: it's difficult to avoid bias when reviewing the results of a campaign you've worked hard on. Children love playing on playground equipment - didn't you when you were younger? They are happy to scroll. What are the foundations of marketing strategies? Recently, I came across this interesting old rocking horse . Concentrate on making easy, clear-cut, and logical interfaces with a focus on getting to the right information quickly.