Several reliable sources report that Apple is developing a MacBook with a foldable screen. It could be Apple’s first foldable device, beating out even the foldable iPhone, according to MacRumors. Design A distinctive feature of the foldable MacBook will be its all-screen design, unlike current models with a separate display and keyboard. It will be equipped with one large screen that folds in half. When unfolded, the MacBook will be able to be used as a monitor in combination with a keyboard and trackpad or mouse, and when folded, it will be used as a laptop. It is likely that this model will …