Over a couple of years after it was launched, popular instant messaging service Telegram has announced that it has surpassed the 100 million monthly active users milestone. The company also revealed that around 350,000 new users sign up for the service each day, and it delivers more than 15 billion messages daily. Although Telegram is one of the few mobile messaging services that are widely seen as competitors to Facebook-owned WhatsApp, it's user base is still one-tenth when compared to that of the latter - WhatsApp recently crossed 1 billion users. But it's good to see Telegram catching up. The service recently received an update that brought along new voice messaging features and improved Secret Chats. Both iOS and Android clients were updated. Source 1...
Source: http://www.gsmarena.com/telegram_hits_100_million_monthly_active_users-news-16847.php