Apple is already thinking about its second foldable iPhone, and it may be a clamshell

We may not have a concrete release date for the first foldable iPhone, but Apple may already be looking into a smaller device that will follow it up. According to Bloomberg's Mark Gurman, Apple is exploring a "square, clamshell-style foldable phone," with the caveat that this potential device is "far from guaranteed to reach the market" and only "under consideration" right now. If this eventually leads to a smaller foldable iPhone, that means Apple believes it can com...