Tech trends for 2019: foldable phones, 5G, cashierless retail, privacy legislation, autonomous delivery wagons, IoT edge computing, and more (Wall Street Journal)

Wall Street Journal:
Tech trends for 2019: foldable phones, 5G, cashierless retail, privacy legislation, autonomous delivery wagons, IoT edge computing, and more  —  From delivery wagons and foldable phones to privacy crackdowns and corporate health tracking, the coming year will make good on some of the tech industry's biggest promises