Flapbox is a new type of tablet that does not require any hardware medium for input. It offers the benefit of portability and additional functionality that desktop computers do not. Flapbox can be best classified as a$($n$)$

a$.$ aestheticinnovation

b$.$ functionalinnovation

C$.$ symbolicinnovation

d$.$ serialinnovation

e$.$ attribute$-$basedinnovation