Telegram is useful to send individual message from any place in world. You can also send video call and voice message using it. You can also easily send free call to another Telegram user using his or her Telegram number.
Telegram for desktop is designed for desktop users to communicate to their friends and family member easily. You can get notification of messages from desktop. It stores all your addresses, contacts and email in apps memory.
Telegram is a very fast communicating system. It also offer you unlimited cloud storage. You can send up to 1GB of video and files using Telegram.
You can chat with your friends in a group. Each group allows you to add up to 200 people.