Even Facebook starts offering free calls

Facebook has updated its messaging service, Facebook Messenger for mobile devices. If you have not heard of Facebook Messenger is an application that lets you send and receive messages from your Facebook friends using your data. The application is similar to text messages, but has some additional features such as:

     Conversation group.
     To send messages, even if you are not friends on Facebook.
     Can know your location.
     You can record voice messages.

The new update includes:

     Groups: Now you can create a group for people who speak more messages.
     Send: Want to send a message or picture to someone who is not a conversation? Just contact to match the message.
     Free Call: Talk as much as you want and stay in connection wherever you are. (Calls are free Wi-Fi)