brand names that have since been declared generic terms.They are all heavily promoted during daytime television.They are examples of functional product modification.They have extremely high brand loyalty.They are all examples of private$-$label brands.What do yo$-$yo$,$ aspirin, and thermos all have in common in a marketing sense?They were all once brand names that have since been declared generic terms.They are all heavily promoted during daytime television.They are examples of functional product modification.They have extremely high brand loyalty.They are all examples of private$-$label brands.