If Amazon rolls the feature out to everyone, it seems as though they plan for it to be the new default behavior for Alexa, since it's automatically being turned on. (aftvnews.com)
Some of them required no user interaction and could be activated by default behaviors in Windows, such as Windows Explorer displaying icons, or the letter corresponding to the thumb drive that was just inserted. (bgr.com)
Another option for changing default behavior is available on Aizat Faiz's blog, and requires you to use WordPress's hidden options screen. (stemlegal.com)