Rumors said Apple is working on ultra slim MacBook. To achieve it, it is said they have to redesign both on its internal and external components. Another report says Apple is hiring Amphenol, who has the expertise in metal injection mold made hinges. Amphenol has already partnered with companies like Microsoft supplying parts for the Surface 4. However, it is still unknown which Macbook lineup will receive this new update. Can it be for the new Macbook Air?