WhatsApp is one of the world's most popular messaging platforms, and it's showing no signs of slowing. In a Facebook post Friday, WhatsApp CEO Jan Koum announced that the Facebook-owned service now has 800 million active users every month. That's a lot of chatter.
Android, Windows Phone and BlackBerry devices. WhatsApp has also rolled out , firing a shot across the bow of services like Skype and Viber.lets you send text messages to other users of the app for free. The app sends messages over the Internet, bypassing a phone carrier's text messaging charges. The app is available on just about every mobile platform, including iOS,
The service was acquired by Facebook forin a deal that closed back in October, and it's seen consistent growth over the last few months: this 800 million user milestone is up from and .
These numbers make WhatsApp one of the largest social services around. In February, Twitter reported a user base of average of 1.39 billion monthly active users as of December.. In December, photo-sharing service Instagram reported . Facebook -- which owns Instagram as well as WhatsApp -- reported an