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Then and now: Charting growth of communication tools

chinadaily.com.cn | Updated: 2018-05-15 14:12
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An attendee holds the Xiaomi Corp's Mi MIX 2S smartphone, left, side-by-side with an Apple Inc's iPhone X while testing their front-facing cameras at an unveiling event in Shanghai, March 27, 2018. [Photo/VCG]
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