Rob Donnelly
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robdonnelly47.bsky.social
Rob Donnelly
@robdonnelly47.bsky.social
Data Science at OpenAI
Stanford GSB Economics PhD
California's "plastic bag ban" was incredibly counterproductive. Banning regular plastic bags just pushed retailers to use thick heavy duty "reusable" bags that most people never reuse. Net impact is 47% more tons of plastic bags in the trash.
November 30, 2025 at 7:07 PM
OpenAI is testing out a new strategy for finding enough GPUs to keep up with demand: bumper stickers
September 3, 2025 at 7:46 PM
March 27, 2025 at 1:20 AM
Coreweave's business model is pretty wild:
March 11, 2025 at 5:59 PM
What's the logic for Instacart/Uber/Doordash constantly offering giftcards for 20% off? The discount is large enough to make delivery approx same cost as in store.
January 28, 2025 at 9:37 PM
Why have TV shows gotten so ridiculously expensive to produce? I would have thought the cost of CGI / special effects would go down as tech improved, but it seems like they've gone up instead.
January 24, 2025 at 6:05 PM
That feeling when you mess up your branding so badly that your "advanced" model gets confused about its own name. #Google #Gemini
February 9, 2024 at 5:02 PM
I've really been enjoying testing out Pixi for managing software development environments (mostly python, but it also can support non-python dependencies including R packages).It combines a lot of what I like best about brew/conda/poetry.
November 1, 2023 at 2:31 AM
In case anyone finds it useful, this is a python helper function I wrote that let's you write out the data generating process and get back a dataframe and a DAG representing the causal pathways.
October 25, 2023 at 5:43 PM