[custom_adv] The foldable phone era has officially begun. Samsung introduced the world to its first foldable phone this week, a device rumored to be called the Galaxy X or Galaxy F. [custom_adv] This was not a typical announcement with every detail on display as they were for the Galaxy S9 or Note 9 unveiling. Rather, Samsung teased its foldable phone through a short video and by hoisting aloft a working prototype in an executive's hand on stage. [custom_adv] Although Samsung never displayed the foldable phone up close -- not even behind museum glass -- the device is plenty real. It's conceptualized enough to earn Google's backing. [custom_adv] Meanwhile, Samsung gathered developers in a Wednesday afternoon session to share a few more details, such as the phone's 4.5 and 7.3-inch screen sizes. [custom_adv] Despite the dribs and drabs of information, the foldable phone's brief onstage appearance raised more questions than answers. Here's what we know -- and what's still to come. [custom_adv] A larger screen gives you an expanded viewing surface, but it also unlocks different ways that you can use your device. For example, Samsung's foldable display will let you multitask in three areas at once.
