The Galaxy Note 8 is expected to launch on Wednesday (August 23), but if you've already bought the Galaxy S8 or Galaxy S8 Plus you may be treated to a new feature the day before.Updates for Samsung's Bixby assistant have been rolling out in some markets this weekend with upgrades for Bixby, Bixby Global Action, Bixby Dictation, Bixby Wakeup and Bixby...