Smart device listening to me

I am impressed when I discover another of my friends has a daily, helpful relation with an intelligent device that talks to them, such as Siri or Alexa.  Usually, when I try to list products of a type, there turn out to be more of them than I knew about.  "Siri" seems to be an Apple product while "Alexa" is an Amazon product.  We can't forget about Google but that giant advanced company doesn't seem to have a cozy female smart speaker.

I don't rely on any smart speaker to assist me or control lighting, answer questions and such but maybe I should.  Maybe I am missing out!!?