HIGHLIGHTS The Samsung Galaxy Note 9's S Pen can be used as a Bluetooth remoteThere aren't a lot of hardware updates compared to the Galaxy S9 PlusThe excellent battery life comes at the cost of a heavy and bulky body Samsung can take credit for sparking an interest in big phones. The original Galaxy Note (Review) with its 5.3-inch screen was met with scepticism and a bit of ridicule at first, but by today's standards, it would seem almost dainty. The trouble for Samsung is that with nearly all phones (including its own) pushing the limits of what a pocket can hold, what sets the Galaxy Note line apart? With nearly identical hardware and software as the Galaxy S series, the new Galaxy Note 9 doesn't even serve as a half-yearly refresh, like so many other companies push out. The answer, then, is the S Pen, which Samsung is now leaning heavily on. Over the years, it has become slimmer and more sensitive, and now it has gained a whole new set of functions. We're curio…