https://www.cnbc.com/2017/08/22/samsung-bixby-expands-to-over-200-countries-in-battle-with-alexa-siri.html >Samsung expanded its digital personal assistant Bixby to over 200 countries and territories globally on Tuesday, as it looks to step up its challenge to rival products like Amazon Alexa and Apple Siri. >Bixby was unveiled earlier this year when Samsung introduced its flagship Galaxy S8smartphone. It was initially available in South Korea, then the U.S.