Top 100 AI · United States
Casey Fiesler
CU Boulder 
- Score
- 7,857−2 today
- Rank
- 50/198 ↓17
- over 90 days
- −294−3.4%
Casey Fiesler is an information science professor and faculty member at the University of Colorado Boulder with a PhD and JD. The creator publishes short-form and long-form educational content about AI ethics, tech policy, internet law, online communities, and academic life. Posts explain large language model mechanics, AI literacy, generative AI in education, research findings, and data privacy issues, including critiques of corporate terms of service.
Data as of Oct 26, 2026.
The raw numbers · last 90 days
- Median views
- 21.3K
- per post
- Median engagements
- 1.1K
- per post
- Posts
- 51
- over 90 days
- Followers
- 250.7K
- all scored platforms
What drives the score
Percentiles 0–100 against all tracked creators.
- Reach · 30%78
Average views per post over 90 days
- Engagement · 30%83
Average reactions per post
- Audience · 30%84
Total followers, relative to population
- Consistency · 10%100
Posting frequency (25 posts / 90 days = 100)
Platforms
250.7K total followers
| Platform | Followers | Score |
|---|---|---|
| Instagram@professorcasey | 57.7K | 6,053t4 |
| TikTok@professorcasey | 122.6K | 7,215t3 |
| YouTube@Casey Fiesler | 37.4K | 5,047t5 |
| X@cfiesler | 23.2K | 1,505t10 |
| LinkedIn@casey-fiesler-bb3493243 | 9.8K | 6,137t4 |
| 31K | not scored | |
| Threads@professorcasey | 11.2K | not scored |
Last 30 days
Fiesler's top posts
TikTok · 10 days ago#1CFCasey FieslerDexcom held the blood sugar data of type one diabetics hostage to force agreement with their terms of use and privacy policy. @SEAN also has a video on this! New terms included an updated arbitration clause with a lim…
49K views9K engagements
Instagram · 10 days ago#2CFCasey FieslerDexcom held the blood sugar data of type one diabetics hostage to force agreement with their terms of use and privacy policy. This included an updated arbitration clause with a limited opt out window. And I will proba…
51.8K views4.2K engagements
![I will have more to say on this but as a privacy researcher this is the most coercive [expletive] I’ve ever seen. @dexcom I appreciate your apology yesterday, but I got this popup today and I just had to agree to 22,0…](/img/m/Dek90hNu0Mr.jpg)
Instagram · 11 days ago#3CFCasey FieslerI will have more to say on this but as a privacy researcher this is the most coercive [expletive] I’ve ever seen. @dexcom I appreciate your apology yesterday, but I got this popup today and I just had to agree to 22,0…
28.3K views944 engagements
Instagram · 2 days ago#4CFCasey FieslerMy Theranos / Elizabeth Holmes discussion in my technology ethics classes (because I just went to see You Can See Everything). No spoilers! But also what does a similar kind of utilitarian analysis suggest about gener…
21.4K views888 engagements
Instagram · 10 days ago#5CFCasey FieslerThere are currently THREE versions of dexcom’s terms of use depending on where you look - all three are in this document, but the November 2025 version is what you are bound to if you very reasonably decided to mainta…
18.8K views625 engagements
TikTok · 3 days ago#6CFCasey FieslerMy Theranos / Elizabeth Holmes discussion in my technology ethics classes (because I just went to see You Can See Everything). No spoilers! But also what does a similar kind of utilitarian analysis suggest about gener…
4.4K views623 engagements
Head-to-head
