In 2007, his iPhone changed human behaviour, creating a fashionable but indispensable machine. By 2020, around 2.2 billion iPhones had been sold, 19 billion smartphones altogether – tiny mechanisms that forever changed human nature and behaviour in ways not yet clear. Smartphones became technologies so essential they became almost membral extensions. By 2005, at least 16 per cent of humans were using smartphones; by 2019, the figure was 53.6 per cent, 86.6 per cent in the west. The internet opened a mass of new knowledge to citizens, and many abandoned more laborious yet more trustworthy
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