Eh in my pretty touristy hotel I was not able to use Google or Meta sites on wifi. But I was surprised vpn worked and allowed me to access anything I wanted over wifi. I had prepared with shadowsocks configured as a contingency but didn’t end up needing it. But people visiting a year earlier had reported vpn did not work for them.

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They can’t put the genie back in the bottle. Everyday Iranians know what the world outside is like. They can’t suddenly become a black box like North Korea. But maybe a few decades of murdering protesters, like mowing the grass, will allow them to limp along in the East German model. Where people know what is available outside but are too afraid and demoralized to make an organized resistance

China seems to vary. When I was there, VPNs worked, even Meta and Google sites were accessible on my T-mobile SIM. Other times those things are not accessible