This seems to me the start of what happened to GMail. As for Hangouts, it seems that this announcement suggests that Hangouts is moving to become a primarily G

This seems to me the start of what happened to GMail. As for Hangouts, it seems that this announcement suggests that Hangouts is moving to become a primarily G Suite brand. Messaging: you have what you have now, Messages as a vanilla messaging app Allo and Duo as flavored products focusing on particular features for messaging. Email: GMail as vanilla Inbox as a GTD-flavored that is having its most used features is being folded back into GMail.