Facebook's WhatsApp just hit a huge milestone: 900M users

WhatsApp hits a milestone
Facebook's WhatsApp hits a huge milestone   

Facebook-owned messaging app WhatsApp now has 900 million monthly active users, its founder Jan Koum wrote on a Facebook post Thursday.

The service gained 100 million users in just the past four months. In comparison, Facebook itself has about 1.49 billion monthly active users.

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The social media king bought WhatsApp last year for $19 billion, even though it has its own messaging service called Messenger.

The sector is gaining ground as younger users chat and communicate through mobile apps instead of text messaging.

Whatsapp app
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Earlier this week, photo-sharing app Instagram added a messaging feature, which may increase its 300 million user base.

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LinkedIn is also jumping on the bandwagon. On Tuesday, the site announced revamped features for its messaging service, making it more like a messaging app than an email service.