Which of the following represents a significant change Sony made to the PlayStation logo when transitioning from PS3 to PS4?

The PlayStation brand has become one of gaming's most recognizable icons since its debut in 1994. Its logo has undergone subtle yet meaningful transformations that reflect the evolution of both the brand and the gaming industry as a whole. Test your knowledge about the strategic design choices Sony made with its PlayStation logo over the generations of consoles.

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They abandoned the colored logo and switched to a minimalist monochrome design
They added a 3D effect with drop shadows to modernize the look
They incorporated the DualShock controller silhouette into the background
They returned to the original 1994 rainbow-colored logo for nostalgia