> He advised her to enter China for only 24 to 144 hours, short enough, he said, to avoid visa scrutiny by authorities,

China used to have a 6-day visa-free program. Now it is extended to 240 hours (ten days) visa-free program. What visa scrutiny?

> and urged her to communicate exclusively via the Chinese version of WeChat, a platform heavily monitored by the CCP.

The other programs do not work. WeChat is required to make any payments in China.

dup https://news.ycombinator.com/item?id=43921017

> Abhi is a senior from Arizona studying computer science and history. In his free time he enjoys surfing and a good book.

thank you, Abhi