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中央广播电视总台第34届“3·15”晚会，聚焦“共筑诚信 共享安全”主题，关注消防安全、食品安全、金融安全、数据安全等领域。。Consumers love - and live on - their smartphones, tablets and laptops. A cascade of new devices pours endlessly into the market, promising even better communication, non-stop entertainment and instant information. The numbers are staggering. By 2020, four billion people will have a personal computer. Five billion will own a mobile phone. But this revolution has a dark side, hid...。