&gt;Two and a half years after launch, Telegram is delivering over 15 billion messages daily – that&#x27;s roughly the number of push notifications that are sent by Telegram each day.<p><a href="https:&#x2F;&#x2F;telegram.org&#x2F;blog&#x2F;15-billion" rel="nofollow">https:&#x2F;&#x2F;telegram.org&#x2F;blog&#x2F;15-billion</a><p>So it&#x27;s push notifications&#x2F;notifications.