article_snippet: CEO speak: Zuckerberg Zuckerberg gives Zuckerberg keynote conference during the first day of the annual Mobile World Congress in Bareclona 2015 at the Fira Gran Via complex on March 2, 2015 in Barcelona, Spain .
article_snippet: Zuckerberg was confronted with tensions between Internet giants such as Facebook and Google and telecom firms present at the annual Mobile World Congress in Bareclona, the world's biggest wireless phone fair, in Barcelona.
article_snippet: Zuckerberg later defended Zuckerberg in an appearance at the congress alongside the heads of several telecom companies with which Zuckerberg is working to launch smartphone Internet access in developing countries in Latin America, Africa and Asia. '
article_snippet: The annual Mobile World Congress hosts some of the wold's largest communication companies, with many unveiling their latest phones and wearables gadgets .
highlights_snippet: Zuckerberg appeared at the annual Mobile World Congress in Bareclona .
  