Rakuten Inc (4755): Viber hits 100 million concurrent users
Viber, the messaging app that Rakuten Inc (TYO:4755) acquired for $900 million, has announced that it has crossed the 100 million concurrent active user milestone. Viber has around 350 million unique registered downloads. Viber is available across the desktop, iOS, Android, BlackBerry, and Windows Phone. Viber competes with WhatsApp, a mobile messaging app that Facebook acquired for $19 billion.