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The Mobile World Congress wrapped up in Barcelona today, and here are the 10 most jaw-dropping numbers from the four-day event.
1. Mobile World Congress' governing body, the GSMA, issued a report here on Thursday, forecasting that the number of mobile subscribers in the world will jump by 1 billion in the next five years. That will put the mobile-phone crowd at 4.6 billion.
2. If you counted all of the people with smartphones who are shopping at Walmart stores right now, like a city population, "Walmartville" would be bigger than San Francisco proper.