مدرسة ديكارت

Another great option in groups or channels is being able to pin messages. Tap a message and choose Pin to keep it at the top of the chat, where everyone can easily reference it. For maximum privacy, you can create secret chats that use end-to-end encryption. These aren't stored on Telegram's servers, so you can only access them with your specific phone. If one party deletes a message, it disappears on both devices. And you can specify a self-destruct period for all media if you like. Telegram’s main feature list may cross over with other apps, but there are many specific differences between it and its competitors. Here is a short list some of the major features that may push you to switch messaging apps.

Telegram allows you to manage the device storage: you can choose to delete media (photos, videos, and other files) shared on the app. All files will be deleted from your device after the specified duration, but they will stay in the Telegram cloud forever, so you can re-download them when you need them again. There is also an option to delete the cache and local database. Premium No Ads Next time you want to quickly move a piece of media from one device to another, Telegram has you covered. The Saved Messages chat is your own personal cloud scratchpad for keeping a record of information that you can access on any device where you're logged into Telegram. Customize Telegram App Icon

Pin Messages in Channels Telegram allows edit, unsend sent messages even for the other people on the same chat. It allows to unsend messages shared with the first 48 hours after sending. Telegram Privacy Options Create Timestamp for Videos

Telegram Saved Files Since Telegram stores chats and files on a remote server instead of your device, you can also access everything (except secret chats) from the web. Access it via the web portal or any of several Chrome extensions.