It’s very interesting to see the roles played by social media in this Ukraine crisis. We see protests occurring in Moscow and St. Petersburg. We see English-language TikTok video messages of support for Ukraine from Russian citizens. We get instantaneous reporting from Ukraine. We have watched President Zelensky’s speech video, in which he speaks directly to the Russian people, hoping they will see.

And most interesting to me, we can see many experts in urban warfare sharing strategies with citizens of Kyiv so that they know what to do, how to fight and survive, if/when Russian troops arrive.

Here’s one of the Twitter threads I’ve found most compelling, from John Spencer, Chair of Urban Warfare Studies at the Modern War Institute at West Point: