https://techcrunch.com/2020/02/18/do-trade-shows-still-matter-in-the-age-of-online-business/

The death of Mobile World Congress 2020 started as a trickle.

First, it was an understandably nervous ZTE. As a Chinese company, it was undoubtedly going to receive extra scrutiny — never mind that ZTE’s Shenzhen headquarters are a two-hour flight from Wuhan. Soon enough, South Korea’s LG backed out, followed by Nvidia and Ericsson.