A newly published patent application reveals that Apple is researching ways to improve user input on its MacBook laptops, by including a keyboard capable of offering more advanced keys ready to perform more than one task, AppleInsider reports. Individual keys on the keyboard would perform their normal tasks, but it would also include a touch-friendly display that might support additional gestures. Filed on October 30, 2012, and published by the U.S. Patent and Trademark Office (USPTO) on Thursday, the application describes “Multi-functional keyboard assemblies,” that could be found in future MacBook models. Interestingly, the patent includes an image showing a specific model, the compact MacBook Air laptop. “Multi-functional keystacks for electronic devices are disclosed. Multi-functional keystacks can improve the functionality of keyboard keys