Google has officially confirmed the discontinuation of the Chromecast Audio device. A quick glance at Google's online store lists the music-streaming gadget as out of stock, after recently receiving a heavy price cut from US$35 to just US$15. It may be possible to buy the device in some outlets while they still have stock remaining.
https://www.notebookcheck.net/Google-discontinues-Chromecast-Audio.393896.0.html
Provide an attractive service for less than it's worth, for publicity and for steering customers away from the competition, then close the service once these objectives are reached. How many times did Google apply such tactics over the years and how detrimental has it been to users and to fair competition?