Telegram is a simple, safe, fast app for mobile gadgets with a synchronization function for all your electronic devices. With it, you can instantly exchange messages and use many of its other useful functions. It is easy to send files of any size and format here. Correspondence history can always be found in a secure cloud, so it won’t take up space on your device. Group chats are able to bring together up to 200 thousand users, quickly coordinating global teamwork. This is one of the most reliable message delivery systems among modern analogues.