A good portion of Samsung users disable Bixby the second they turn on their device and for obvious reasons - the virtual assistant doesn't offer enough to justify the nuisance that is the accidental trigger when you hit the key by mistake. But since Samsung's mobile division's CEO, DJ Koh, promised to open Bixby for third-party app developers, Bixby fans numbers might rapidly go up. Bixby is a useful voice assistant as long as you are using it for adjusting system settings like screen brightness, volume and calendar entries, but rather limited otherwise. Its reach might expand rapidly...
Source: https://www.gsmarena.com/samsungs_bixby_to_support_thirdparty_apps_by_the_end_of_this_year-news-33097.php