Telegram has released a new update on iOS and Android (v5.10), which, as usual, brings with it a whole host of new and innovative features. One of the new features is the ability to send messages silently. If you want to message someone but don't want their device to make a sound, you can now choose to send without sound. Just press and hold the send button to choose the send without sound option. This could be handy when the other person may be in a meeting, in class or could just be asleep. They will get a notification on their screen as usual but the app won't make a...