- Why Hong Kong is not dead yet Global Voices (May 22, 2020) Translated in several languages including Chinese. Essay originally on Facebook and Twitter.
- My letter to students: on not getting tenure Facebook post (June 23, 2020). Also on Twitter.
- After not getting tenure: now what? Facebook post (June 23, 2021). Also on Twitter.
- The evil of banal censorship Global Voices (August 24, 2021).
- The November 12 clashes at the Chinese University of Hong Kong: an eyewitness view Global Voices (November 13, 2019) Essay originally on Facebook.