What is the role of Skeuomorph in the design of keyboards?

[HughP]

• https://en.wikipedia.org/wiki/Skeuomorph
• http://www.themachinestarts.com/read/2012-11-how-we-started-calling-visual-metaphors-skeuomorphs-why-apple-design-debate-mess
• https://en.wikipedia.org/wiki/Design