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Each February, the mobile industry descends on Barcelona to take part in the technological orgy of Mobile World Congress.
What will happen this year, and what were the greatest moments in MWC history?
We can only guess - but this quiz might entertain you during the MWC week!
Question 1/15 -

Only one of these CEOs or senior execs is giving a keynote speech at MWC 2014. Which one?