CES 2019 is taking place in Las Vegas right now and even if there aren't many phone announcements coming from there, some companies still pull some surprises out of the sleeve. According to Korean media, Samsung showcased its foldable phone exclusively to customers behind closed doors. The phone is not yet ready to make a global appearance, since there are some structural issues with the folding process. A company executive said the device looks completely flat when unfolded. When you try to fold it, the phone will break, therefore the prototype demoed was seen leaving a crease...