It's hard to look at Apple's new "Liquid Glass" aesthetic and not think about Windows Vista, Microsoft 's much-maligned OS which also touted transparencies and glass-like effects as a bold new vision for computing.

Microsoft's Aero Glass on Windows Vista introduced UI design that showed content behind windows through blurred translucent borders. Windows 7 built on the look, but

PC users can't help but notice the similarities between Apple's 'liquid glass' design philosophy and the Aero interface in Microsoft's Windows Vista OS from 2007.