One Feature Apple's MacBook Will Never Have

From additional RAM and solid state drives to Retina Displays and thinner designs, the MacBook gets better with every evolution. But there is one feature Apple

will

add to future iterations of the MacBook Air or MacBook Pro: three screens.

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Rumors suggest that, once the Retina Display has been fully integrated into each MacBook (13-inch Pros, as well as the 13- and 11-inch versions of the Air), Apple will begin to develop the three-screen concept shown above. Now

is reporting that Lenovo plans to develop a multi-screen laptop as well, a move that could usher in a new era of portable computing. According to DigiTimes' sources (from the "upstream supply chain," of course), the notebook will reportedly feature two screens and resemble a dual-screen laptop that Asus is building. This rumor comes just five months after Lenovo unveiled the

, a laptop and tablet hybrid that will run Windows 8. The Yoga IdeaPad, which features a 13-inch screen, 8GB RAM, and a 256GB solid state drive, will retail for roughly

-- just $300 less than the

. "Although the designs of Lenovo's Yoga and Asustek's Taichi are rather unique, some supply chain players pointed out that whether these machines can attract consumers remains questionable," DigiTimes wrote. "Some players believe these devices, affected by their high prices, will not become mainstream product lines and are more a demonstration of each company's design capabilities." Even if these products were successful, it is highly unlikely that Apple would follow suit with a multi-screen laptop of its own. By adding two additional screens, the MacBook would become heavier and consume more power than any other laptop available. Considering Apple's strategy in moving to lighter and more efficient computer designs, the aforementioned concept does not make much sense.