Light mode and Dark mode
These are not only desirable features of good message passing system. Additionally, real improvements in battery life may be gained. Google claims that accessing YouTube in Dark Mode saves batteries by 14 percent when the screen brightness is set to 50 percent.
These are small special features of instant messaging software that are embedded in chats or public channels to perform a specific function.
Cloud & Data Synchronization
Cloud Services are hardly new features on messenger enabled storing your files in different places up-to-date. All other devices are updated automatically when you make a modification to a document on one device.