As a long time Sonos user I have been following their development closely, especially in the last few years with the strong shift towards on-line services. The more I think about it the less sense this seems to make (it did make sense for a while). Isn't this a self-defeating strategy? I use on-line streaming services too but I am not likely to pay for more than one of those. So if I subscribe to one only why should I use the Sonos app to make use of it? Why not use the proprietary app (if there is one)? Of course there are some good reasons still because the Sonos equipment is pretty good, but it also shows its age and limitations and some of the reasons for using it in the past may no longer (fully) apply (Sonosnet). The number of mails on this forum in which the dismissive answer to a (new) user question asking for a specific feature is "sorry, no can do because the internal memory is limited and cannot handle that" is considerable and the answer, though true, is becoming somewhat s