Reverb:

You can use Alexa through your browser. Amazon’s AVS cloud services are now available to access through Reverb. AVS is Amazon’s cloud service that allows Alexa to be accessed through a web browser on macOS or Windows operating systems. You can talk to Alexa to play music, ask questions, get news and use your installed Echo Skills.

I’ve been playing around this morning with Reverb, seeing how it compares to Siri on the macOS desktop. If you don’t have an Amazon Echo-type product but want to see what all the hype is about, this will give you a taste.