Mark Zuckerberg, chief executive officer and founder of Facebook Inc., speaks during an event at the company's headquarters in Menlo Park, California, U.S., on Thursday, March 7, 2013. Zuckerberg discussed the social-network site's upgraded News Feed which includes bigger photos, information sorted into topics and a more consistent design across devices. Photographer: David Paul Morris/Bloomberg via Getty Images

Facebook: menos usuarios activos y caída en la bolsa

En la última medición trimestral hubo 1.400 millones de usuarios activos, un poco menos que los 1.410 millones del promedio habitual según

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