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Facebook: Highs and lows of the social networking giant

Photos Logo Photos | Slide 1 of 32: SAN FRANCISCO, CA - SEPTEMBER 11:  Facebook Founder and CEO Mark Zuckerberg speaks during the TechCrunch Conference at SF Design Center on September 11, 2012 in San Francisco, California.  (Photo by C Flanigan/WireImage)

Since it was launched, Mark Zuckerberg's Facebook has become one of the world's most popular social networking websites, with 2.38 billion monthly active users as of March 31, 2019.

Click through for some of Facebook's milestones and controversies over the years.

© C Flanigan/WireImage/Getty Images
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