There's the recognizability factor-if a logo is too complex or unrelated to its brand, it risks being glanced over without communicating its brand's message. And companies risk annoying their consumers when they make drastic changes to logos people love.
But a closer look at some logos reveals subtle, barely there marketing tactics.
You may have noticed the subliminal features of some of these designs in the past. But have you looked hard enough to see them all?
More on Business Insider: