Rise of #Mobile Subscribers 3K → 1980 NTT 340K → 1985 Vodafone 11M → 1990 AMPS goes 90M → 1995 GSM SMS 738M → 2000 3G boosts 2.2B → 2005 Razr V3 5.3B → 2010 Smartphones
7.4B → 2015 4G ignites 8.3B → 2020 Covid Zoom 9.5B → 2025 5G enables

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