The GSMA Mobile World Congress is the largest annual exhibition for the communication industry. This year's conference in Barcelona is running from February 27th to March 2nd, attracting some of the most influential minds in mobile, technology, automotive, finance, and even healthcare companies worldwide.
Last year, more than 100,000 visitors attended the event, which was the most in the event's history.
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Fortune will update the following photo gallery with the most interesting scenes from the event.