Google Keep is a frontend to a Doc in Drive, and is integrated with the Google Now reminders system, so it's not an experiment to wither, it's closely tied to c

Google Keep is a frontend to a Doc in Drive, and is integrated with the Google Now reminders system, so it's not an experiment to wither, it's closely tied to core offerings. It replaced _something_ that was standalone that died because it didn't "get with the program".