What significant design change did Penguin Books make to their iconic logo in 2003 that sparked debate among design purists and literary enthusiasts?

Penguin Books revolutionized publishing with affordable paperbacks and distinctive branding. Their iconic logo and color-coded system made literature more accessible while creating one of publishing's most recognizable brand identities. This trivia tests your knowledge of this influential intersection of literature and branding that transformed how we consume books.

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They redesigned the penguin to appear three-dimensional rather than flat
They changed the penguin from black to blue
They removed the orange band from their classic tripartite design
They replaced the penguin with an abstract letter P