MWC Barcelona 2019 taunts Apple's absence in 5G and foldable screens

Media coverage from this year's MWC Barcelona, nee Mobile World Conference, has worked to establish a narrative that Apple is dangerously behind other companies in releasing support for 5G mobile networks and the foldable screens that enable a phone to convert into a tablet. Yet the last decade of MWC shows that vendor announcements aren't really worth very much.