Author: Tapiwa Matthew Mutisi

Tapiwa Matthew Mutisi has been covering blockchain technology, intelligent technologies, cryptocurrency, cybersecurity, telecommunications technology, sustainability, autonomous vehicles, and other topics for Innovation Village since 2017. In the years since, he has published over 4,000 articles — a mix of breaking news, reviews, helpful how-tos, industry analysis, and more. | Open DM on Twitter @TapiwaMutisi

According to preliminary data from the International Data Corporation (IDC) Worldwide Quarterly Mobile Phone Tracker, smartphone vendors shipped a total of 375.4 million units during the fourth quarter of 2018 (4Q18), down 4.9% year over year and the fifth consecutive quarter of decline. The challenging holiday quarter closes out the worst…

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