• Telegram is a messaging service that focuses on speed and security; it's lightning fast, easy to use, and completely free. Telegram can be used on all of your devices at the same time, with your messages syncing across all of your phones, tablets, and desktops. Telegram is one of the top ten most downloaded apps in the world, with over 500 million monthly active users.
• Telegram allows you to send messages, photographs, videos, and files of any type (doc, zip, mp3, etc.) to up to 200,000 individuals, as well as build groups and channels for broadcasting to an endless audience. You may send text messages to your phone contacts and look up people using their usernames
• As a result, Telegram functions similarly to SMS and email, and can handle all of your personal and corporate messaging needs. We also offer end-to-end encrypted voice and video communications, as well as group voice chats with thousands of users.

Read More: How secure is Telegram?