@professorcaseyProfessor Casey Fiesler

Information Science Prof. PhD/JD. AI ethics. Tech policy. Internet. Geekery.

card updated Oct 9, 2026 · 11 clips parsed · following 2,020 · 3,800,000 likes total

Engagement14.4%above average

Account summary

@professorcasey has 122,300 followers and 1,868 videos. Across the 11 parsed clips the average is 15,095 views and 1,961 likes. Engagement to views is 14.4%, which is above average for TikTok. On the newer half of the feed the response is falling (−9.0 pp). An average clip reaches 12% of the follower count.

Followers

122.3K

+0 in period

Engagement

14.4%

−9.0 pp newer half

Average views

15.1K

median 7.8K

Likes per clip

87 comments avg

Shares / saves

124 / 415

2.75% of viewers save

Posting rate

—

reach 12% of followers

Latest clips

11 collected

Replying to @Dr D Maybe a better analogy to student AI refusal is our — @professorcasey

15.5K2:26Replying to @Dr D Maybe a better analogy to student AI refusal is our long history of student resistance to frog dissec1.3K1212084

On student AI resisters - and also just students who are reluctant to — @professorcasey

9.5K2:16On student AI resisters - and also just students who are reluctant to use AI, either for ethical reasons or just because1.1K7118116

Replying to @Christina Whitesid10 How does the Claude watermark work? — @professorcasey

4.3K2:55Replying to @Christina Whitesid10 How does the Claude watermark work? We have more detail now (SynthID!). And answering 38833953

Replying to @Professor Casey Fiesler How does a large language model a — @professorcasey

5.6K2:54Replying to @Professor Casey Fiesler How does a large language model actually choose what comes next given a set of prob578241277

Claude watermark… how does it work and what does it mean for AI detect — @professorcasey

34.9K3:27Claude watermark… how does it work and what does it mean for AI detection? Can you evade an AI watermark like this? 2.2K347133497

What do professors do over the summer? And I am a tenured professor at — @professorcasey

5.8K2:23What do professors do over the summer? And I am a tenured professor at an R1 with a research appointment! This would not47050519

I mean first I was the lead example in the New York Times and now I’m — @professorcasey

3.5K0:08I mean first I was the lead example in the New York Times and now I’m the ✨face✨ of stupid DOGE National Science Foundat247202

As a follow up to whether generative AI can harm learning… can it harm — @professorcasey

7.8K2:59As a follow up to whether generative AI can harm learning… can it harm teaching? Experimental evidence from a new (not y7981456184

Replying to @Rootie What else is going on in (ethical, societal, human — @professorcasey

3K1:19Replying to @Rootie What else is going on in (ethical, societal, human-centered) AI research? I’m thinking of starting a30728145

Want to learn about AI? Since my NSF funding was terminated I’m just g — @professorcasey

26K1:29Want to learn about AI? Since my NSF funding was terminated I’m just going to teach you about it anyway. :) Yay AI ethic4.6K1134061.2K

I’ve been asked for #tech #ethics recs & also I’m in love w/ @worsetha — @professorcasey

50K0:28I’ve been asked for #tech #ethics recs & also I’m in love w/ @worsethanithot’s song. #computerscience #techtok9.6K1577092.3K

Engagement per clip

11 parsed clips · newest on the right · click a bar to open the clip peak: 20.9% ER

Dec 8Jul 31Aug 25

Date	Views	Likes	Comments	Shares	Saves	ER
Aug 25, 2026	15,500	1,335	121	20	84	9.52%
Aug 21, 2026	9,492	1,096	71	18	116	12.48%
Aug 20, 2026	4,331	388	33	9	53	9.93%
Aug 16, 2026	5,630	578	24	12	77	10.91%
Aug 13, 2026	34,900	2,230	347	133	497	7.77%
Jul 31, 2026	5,836	470	50	5	19	9.00%
Jul 20, 2026	3,509	247	2	0	2	7.10%
Jul 19, 2026	7,813	798	14	56	184	11.11%
Jul 16, 2026	3,039	307	28	1	45	11.06%
Aug 4, 2025	26,000	4,557	113	406	1,210	19.52%
Dec 8, 2020	50,000	9,570	157	709	2,278	20.87%