The Samsung Galaxy S8 has officially launched today in certain markets and we've already heard that one of Samsung's most boasted-about feature will not be available - at launch - outside of South Korea - Bixby voice. At least Samsung was able to still let us use the other Bixby features: Home, Vision, and Reminders. That is, unless you're a Verizon customer. According to CNET and Android Central, the Verizon version of the retail (or review) units can still use the Bixby Vision camera to take a picture of something and get related images. But with the Verizon modification, Vision won't...
Source: http://www.gsmarena.com/verizon_strikes_again_bixby_limited_on_the_galaxy_s8-news-24669.php