Facebook messenger is just a useless app and is a useless compulsion that facebook has forced people to download for messaging. The app is useless for following reasons:
1- First the messaging feature of facebook app was inbuilt into the app.
2- This was very convenient for use as there was no need of getting into another app window.
3- Also, this has led to increased use of internet data.
4- My phone has also started lagging because of the app being heavy in size and data usage.
5- As the app just features for messaging, it is not very interesting for use. Whatsapp is much better in comparison.
The app needs to be made more useful and more interesting and it should not be made a compulsion for downloading this app for messaging on facebook