What's new with Cortana, your personal productivity assistant

Microsoft, Cortana was huge, and you guys are the ones who killed it, all its functionality is gone, i used to love it so much, that i didnt even remembered google assistant, but now, i use Google Assistant and dont even wanna hover on that circle in between of task view and search button, you killed all its functionality, this really sucks, revive Cortana, bring all of the cool functionalities back, it can rule the world, if you bring all its functionalities back, cortana beats siri and google assistant, and alexa, and make it open, release it to everywhere, to every country, and bring it to more platforms, Android, iOS, Windows, Linux, get it everywhere, please revive cortana